Aphabetic letter pairs in words

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