h-ii hhhh hihi hiho hiht hiit hiri hiro hirt hiti hito hitt hitz hiyo hizz hoho hoir hoit hoor hoot hori horo horr hort hory hoth hoti hoto hotr hott hotz hoyi hoyt hozo hrit htoh httr hyo- hyrt ihit iiht iiii iiio iiit iioi iioo iitr iitt ioii ioio ioit iooi iooo iori ioto iri- irio iriy iroh irri irti itoh itoi itoo itor itri itry itto itty izzo izzy ohhi ohho ohio ohoh ohto ohyo oiii oirt oiry oiti oitz ooho oooh oooo oort oory ooty oozi oozy ori- orio orit oro- oror orot oroy oroz orri orro orry orth orto orzo otho othr otit oto- otoh otoo otor otoy otro otry otti otto otyr otzi oyri ozzy rhio rhiz rhoh riho riht riot rioz riri rith riti rito ritt ritz riyo rizi rizz rohr rohy roio roir roit roiz rooi roor root rooz rori roro rort rory roth roti roto rotr rott roty royt rozi rozz rrrr ryoh ryot ryth rytt rytz ryyt thi- thio thir thoo thor thot thri thro thtr thyh tiht tiit tiri tiro tirr tiry tith titi tito titt titz tiyi tiyo tizi tizz to-y tohi toho toit tooh toor toot tori toro torr tort tory toth toti toto totr tott toty toyo toyt toyz tozo tozy tri- trio trit triz troi troo trot troy trtr try- tryo ttoy tttt tyht tyir tyr- tyro tyrr tyti tyto tytt tyty tzzt yhit yirr yiti yoho yoit yoot yooz yori yoro yort yory yott yoyo yozo yrho ytht yyyy z-ro zhor ziri ziro ziti zito ziyi zizi zizz zohr zoio zoo- zoot zori zoro zort zory zoti zott zoty zotz zozo zyyi zzhz zzzz