I*N - innkeeper
I*O = environs
I*P: palimpsest
I*Q = delinquent
I*R - irradiate
I*S - itsy-bitsy
I*T - physicist
I*U = misused
I*V = invaders
I*W - inward
I*X = jinx
I*Y - pinyin
I*Z - dizzy
J*A - jealous
J*B = jabber
J*C =ejaculate
J*D - adjudicate
J*E = jeer
J*F = jiffy
J*G = thingamajig