bbbb bblb bboy bbyo bhil bhoi bhoy bibb bibi bibl bibo bihi bihl bili bill bilo bily bio- bioi biol blio blob bloo bloy bly- bobb bobi bobo boby bohl boho bohy boi- boii boil boli boll bolo boly boob booh bool boyi boyl boyo byil byob byoi byol h-ii hbio hhhh hibi hihi hiho hiil hili hill hilo hily hiob hiyo hlly hobo hoby hohl hoho hoil hol- holb holh holi holl holo holy hool hoyi hybo hyl- hyll hylo hyly hyo- i-by ibly ibyi ihob iihl iiii iiio iioi iioo ilio ill- illi illo illy iloo iobi ioby ioii ioio iolo iooi iooo lhhh libo lih- lihi liho liii lilb lili lill lilo lily lio- liyl llll lloo lob- lobb lobh lobi lobo loby lohi loho loli loll lolo loly loob lool lyly lyo- obbo obby oboi obol oboy ohhi ohho ohio ohly ohob ohoh ohyo oiii oily oiyl olbo olby olib olio olli ollo olly oobi ooby ooho oolo oooh oooo oyly yili yill ylli yobi yobo yoho yoli yoll yolo yoly yool yoyo yyyy