hhhh hoho hoor hoot horo horr hort hory hoth hoto hotr hott hoyt htoh httr hyo- hyrt ohho ohoh ohto ohyo ooho oooh oooo oort oory ooty oro- oror orot oroy orro orry orth orto otho othr oto- otoh otoo otor otoy otro otry otto otyr rhoh rohr rohy roor root roro rort rory roth roto rotr rott roty royt rrrr ryoh ryot ryth rytt ryyt thoo thor thot thro thtr thyh to-y toho tooh toor toot toro torr tort tory toth toto totr tott toty toyo toyt troo trot troy trtr try- tryo ttoy tttt tyht tyr- tyro tyrr tyto tytt tyty yoho yoot yoro yort yory yott yoyo yrho ytht yyyy