DIPTYCHON

do hi ho id in it no od oh oi on op oy pi ti to yo

chi cod con cop cot coy din dip dit doc don dot hic hid hin hip hit hod hon hop hot hoy hyp ich icy ion nip nit nod noh not nth opt phi pht pic pin pit pod poh poi pot tho thy tic tin tip tod ton top toy yid yin yip yod yon

chid chin chip chit chon chop cion city coin coni cony copy dino dint dipt doit dopy doth doty hind hint hypo icon inch into itch nodi odic otic phon phot pint piny pion pith pity pond pony pyic pyin thin thio tidy tiny tody tony toph topi tyin typo yodh yond yoni