DIACHRONY

ad ah ai an ar ay do ha hi ho id in na no od oh oi on or oy ya yo

ado ahi aid ain air and ani any arc cad can car cay chi cod con cor coy cry dah dan day din doc don dor dry had hao hay hic hid hin hod hon hoy ich icy ion nah nay nod noh nor oar oca oda ora orc rad rah rai ran ray rho ria rid rin roc rod rya yah yar yid yin yod yon

achy acid ahoy airn airy arch arco arid ayin cadi caid cain card carn chad chai chao char chay chia chid chin chon ciao cion coda coin coir coni cony cord corn cory cyan darn dino dona dory dray hair hand hard hind hoar hora horn hoya icon inch inro iron naoi narc nard nary nodi noir nori odah odic ohia orad orca racy raid rain rand rani rich rind road roan rynd yard yarn yird yodh yond yoni