Can someone help me decipher this ciphertext. I provided the assumptions already given and my own assumptions.

QJNOG UDURN QWLHE KQWEW VUKHS ZXUBM FFXNE ZSHRO GCUWA UWULL QZDCE EXNEM RYAKE ZXKSI VUSFC CXLEF SWLUR JEQXV MWSLQ WHMYL IHMJR OCENM XEEGF OGOHL NULHE WEZXO RFEHI JXNQZ KWQLQ WFOXA FHEMU OFMVV ELIWA DLOUU XNSLX NEHEE QVZBE MHAXA RUULS LEOHH EESHB WSZBD AZQWN KEZXW BCULR CVAXU BMYQI HBCFY XOELN CYMZV SEGNE ZXNEM RYAKE ZXJRO CMFMZ OKIUU EKULI YIBEI IZBLN CUMLU YAZCS HBCHJ QQAVX IULSH XWADZ UXCXB EYRMF LEFXN SLIAR NSDLC FUUWS ZBKQW EHMCF LNCUV QJEFE DEZBA LOFOA HYOFF AQXMR UQZHM YLXNE HEESH BWSZB DAZQW NKEZX WSLXM YNEFV IKOBL IQEHX MQZCO BUUOH MYLQO FLNUF MXARM ZQIZY VAWQO FJROC MFMZO KIGOA VBWEU CLIBE LNMXO AHHAX ARUNM LDQZE WUORL NURUD URWEE QVZDR OVMVV MFEDE ZBALO FOAHS QXCIZ UCFLN UHAXA RUULS LEBAL ZUROF LNUIL NURNS ZBWEU WWXOU NIEXN SLSZS VIYMV EMBWA WXOVU ZCEPE LNMXO AHHAX ARUUL SLEEQ VZFED EZBAL OFOAH LHEWE ZXQIZ BAYLN CUMRY AKEZX LNMXL NULAF CUNCU FLIJS ZOKLH AFEZX MYLIJ XUFJI VZOGW SJXUR MZOFY QZXUR PSVCM MBEMB KQLXU BBALB OEWFO XMBPS ZYUSW QZKVE WXULL IESHB WXNEQ IZYVA WOOFL NMXCC DRABU FLSQX WGCZV VULAF CUNEF NURUS JXURW ILIOG CXNXN EMXLE KLLXO UNIEX NSLHH IKXNE MFMZO KIIJX NEDRU UUFLZ CHUGU CMMZI LAZRU SWIZS BZIQZ HURLN MXPQH XAEMF FDCYU GCZVR UYUQP ELNUQ HRUUD EQXCD URUGM RFUMF FLAFC UNCUF LUNEH EMHLE HQLCM MBEMB KQLXU BLNMX PQHXA IAUMF FDCYC IAUMY LUMRU FMXAR MZVMV IOWUB ALOFM UOVRE QXWIJ RUGMR FIHLA FCUNC UFLSZ BLRUS LEFSQ YORFQ ZKVMB ALGUC MMHEJ AWELI MZVIE XNEMR YAKEZ XLIYI JAHXN EHSZB LICFJ EHSDE HHUYL BCULR CVAXC IZIJT AULQQ EFEDE ZBUFL ADIZI ARQIZ BAYLN URUVA XVEHY OAVBW XHEZK LNUFN QWSHK ACUFL IZZIV IVHQZ KCFYH ORESH BDROC CFUFL ????? MVW1V ALEHE SACRU CUFLU OHLNU ELNCY MZQ1Z UQQOA WFUUW QZGNQ QNQSW ENEEI AZFNM DUSDL HITQK SLEFX OWMFL UDIWQ LQOFE QLNHE YSHBL ILNCU PEHMD ROVVE KXNSL NUBCB ZILBO UOQWL URNSD UFAUX ONCUW XHIZK FEWOH ELIAU UIZZI UAYNL HEKQW EWSWN CUMBP EHUMR CEWXN EFECU LUEEH EEQVZ CFYXO SVZOG QJNOG UDURN QWLHE KQWEW VUKHS ZXUBM FFXNE ZSHRO GCUWA UWULL QZDCE EXNEM RYAKE ZXKSI VUSFC CXLEF SWLUR JEQXV MWSLQ WHMYL IHMJR OCENM XEEGF OGOHL NULHE WEZXO RFEHI JXNQZ KWQLQ WFOXA FHEMU OFMVV ELIWA DLOUU XNSLX NEHEE QVZBE MHAXA RUULS LEOHH EESHB WSZBD AZQWN KEZXW BCULR CVAXU BMYQI HBCFY XOELN CYMZV SEGNE ZXNEM RYAKE ZXJRO CMFMZ OKIUU EKULI YIBEI IZBLN CUMLU YAZCS HBCHJ QQAVX IULSH XWADZ UXCXB EYRMF LEFXN SLIAR NSDLC FUUWS ZBKQW EHMCF LNCUV QJEFE DEZBA LOFOA HYOFF AQXMR UQZHM YLXNE HEESH BWSZB DAZQW NKEZX WSLXM YNEFV IKOBL IQEHX MQZCO BUUOH MYLQO FLNUF MXARM ZQIZY VAWQO FJROC MFMZO KIGOA VBWEU CLIBE LNMXO AHHAX ARUNM LDQZE WUORL NURUD URWEE QVZDR OVMVV MFEDE ZBALO FOAHS QXCIZ UCFLN UHAXA RUULS LEBAL ZUROF LNUIL NURNS ZBWEU WWXOU NIEXN SLSZS VIYMV EMBWA WXOVU ZCEPE LNMXO AHHAX ARUUL SLEEQ VZFED EZBAL OFOAH LHEWE ZXQIZ BAYLN CUMRY AKEZX LNMXL NULAF CUNCU FLIJS ZOKLH AFEZX MYLIJ XUFJI VZOGW SJXUR MZOFY QZXUR PSVCM MBEMB KQLXU BBALB OEWFO XMBPS ZYUSW QZKVE WXULL IESHB WXNEQ IZYVA WOOFL NMXCC DRABU FLSQX WGCZV VULAF CUNEF NURUS JXURW ILIOG CXNXN EMXLE KLLXO UNIEX NSLHH IKXNE MFMZO KIIJX NEDRU UUFLZ CHUGU CMMZI LAZRU SWIZS BZIQZ HURLN MXPQH XAEMF FDCYU GCZVR UYUQP ELNUQ HRUUD EQXCD URUGM RFUMF FLAFC UNCUF LUNEH EMHLE HQLCM MBEMB KQLXU BLNMX PQHXA IAUMF FDCYC IAUMY LUMRU FMXAR MZVMV IOWUB ALOFM UOVRE QXWIJ RUGMR FIHLA FCUNC UFLSZ BLRUS LEFSQ YORFQ ZKVMB ALGUC MMHEJ AWELI MZVIE XNEMR YAKEZ XLIYI JAHXN EHSZB LICFJ EHSDE HHUYL BCULR CVAXC IZIJT AULQQ EFEDE ZBUFL ADIZI ARQIZ BAYLN URUVA XVEHY OAVBW XHEZK LNUFN QWSHK ACUFL IZZIV IVHQZ KCFYH ORESH BDROC CFUFL ????? MVW1V ALEHE SACRU CUFLU OHLNU ELNCY MZQ1Z UQQOA WFUUW QZGNQ QNQSW ENEEI AZFNM DUSDL HITQK SLEFX OWMFL UDIWQ LQOFE QLNHE YSHBL ILNCU PEHMD ROVVE KXNSL NUBCB ZILBO UOQWL URNSD UFAUX ONCUW XHIZK FEWOH ELIAU UIZZI UAYNL HEKQW EWSWN CUMBP EHUMR CEWXN EFECU LUEEH EEQVZ CFYXO SVZOG