Aphabetic letter pairs in words

E*S - necessary

E*T - heatwave

E*U = ineducable

E*V - cleaver

E*W - overweening

E*X = adieux

E*Y = apoplexy

E*Z = breeze

F*A = afraid

F*B - ineffable

F*C = preface

F*D - federation

F*E - hereafter

F*G - configuration.

F*H - offhand

F*I - flippant

F*J - fajita

F*K - faking

F*L - fill

F*M = perfume