HYPOPTERON

eh en er et he ho ne no oe oh on op or oy pe re to ye yo

eon ern eth hen hep her het hey hoe hon hop hot hoy hyp net noh noo nor not nth oho one ono ooh oot ope opt ore ort peh pen pep per pet pht poh poo pop pot pro pry pye rep ret rho roe rot rye ten the tho thy toe ton too top tor toy try tye yeh yen yep yet yon

hent hern hero hoer hone hoop hoot hope horn hype hypo hyte nope note onto open oyer pent peon pepo perp pert phon phot poet pone pony pooh poon poop poor pope pore porn port prep prey prop pyre pyro rent repo repp root rope ropy rote roto ryot tern then they thro tone tony toon tope toph topo tore torn toro tory toyo trey trop troy tyer tyne type typo typp tyre tyro yore