Design NFAs that accepts the following languages: a) L= starts and ends with the same symbol with total length at least 2 | [ = {0,1} b) L= contains 'xx' or 'yx' or 'zz' and ends with 'yz' or 'y' | [ = {x,y,z} c) L =starts with 'Ox0 and contains '0' or 'x' and ends with '0' | [ = {0,x,y}