bbbb bboy bbyo bhit bhoi bhot bhoy bibb bibi bibo bihi bio- bioi biot bith bito bitt bobb bobi bobo boby boho boht bohy boi- boii boit boob booh boot botb both boti boto bott boty boyi boyo btob bttb byit byob byoi byth h-ii hbio hbit hhhh hibi hibt hihi hiho hiht hiit hiob hiti hito hitt hiyo hobo hoby hoho hoit hoot hotb hoth hoti hoto hott hoyi hoyt htoh hybo hyo- i-by ibot ibtb ibyi ihit ihob iiht iiii iiio iiit iioi iioo iitt iobi ioby ioii ioio ioit iooi iooo ioto itby itoh itoi itoo itto itty obbo obby obit oboi obot oboy ohhi ohho ohio ohob ohoh ohto ohyo oiii oiti oobi ooby ooho oooh oooo ootb ooty otho otit oto- otoh otoo otoy otti otto tbit thi- thio thoo thot thtb thyh tibi tiht tiit tith titi tito titt tiyi tiyo to-y tobi tobo tobt toby tohi toho toit tooh toot toth toti toto tott toty toyb toyo toyt ttbb ttoy tttt tybi tybo tyht tyti tyto tytt tyty yhit yiti yobi yobo yoho yoit yoot yott yoyo ytht yyyy