Based on your understanding of the encoding for regular and half$-$word$/$byte load and store operations, identify legal instructions in the list below. The encoding schemes are provided for your reference.Idrsb r$0,[$r$1,$ r$2,$ LSL #$30]$

strh r$0,[$r$2,$#$0$xFE$]$

Idrb r$0,[$r$2,$#$3900]$

Idrsb r$0,[$r$2,$#$3900]$

str r$0,[$r$1,$ r$2,$ ASR #$34]$

Idrh $rO,[r2,r3]$

str r$0,[$r$2,$#$3900]$

Idrb r$0,[$r$1,$ r$2,$ LSL #$30]$

str r$0,[$r$1,$ r$2,$ ASR r$3]$

Idrh r$0,[$r$3,$ #$-215]$