bbbb bbch bbci bbin bcbc bccc bcci bcit bcnu bctc bcuc bhcc bhit bhut bhuu bibb bibi bicc bich bici bihi bihu biin bin- binc binh bini binn bint binu biny bitc bith bitt bitu bnib bnin btcc bttb bubb bubi bubu bucc buch buci bucu buhi buhy buic buin buit buiu bunb buni bunn bunt bunu but- buti butt buty buyi buyu bych byit bync byth byun cbbc cbcc cbcn cbct cbcu cbit cbtc cbyt ccbc ccbn cccb cccc ccci cccu cchy ccic ccii ccnb ccnc ccni ccnu ccny cctb cctc cctt ccuc ccut chch chci chib chic chih chin chit chiu chnb chnc chtt chub chui chun chut chuy chy- chyc chyn cibc cibi cicc cich cici cict cicu ciht ciii ciit cin- cinc cini cint citb cith citi citt citu city ciuc ciyu cnbc cnci cnib cnic cnih cntc cnut ctbi ctic cttn cub- cubb cubi cuby cucc cuci cucn cui- cuin cuit cunt cuny cut- cutc cuth cutt cuy- cybb cybc cybi cyc- cycb cycc cyn- cyt- cytb cyun cyy- cyyc cyyn h-ii hbic hbit hbtu hcbc hccb hccc hcch hchi hhhh hi-c hibi hibt hibu hicc hich hihc hihi hiht hiit hiiu hinc hinn hint hitc hiti hitt hnny hntb htcc hubb hubi huby huch hucu huhi huhn huhu huib huit hunc hunh huni hunt huny huth huti hutt hutu huty huub huyt hynt hyun i-by ibtb ibtc ibuy ibyi icbc iccb iccc icci iccn icct iccu ichc ichi ichu ichy icnb icnc icub ihcc ihit ihtc ihub iiht iiii iiit iitt iiuc inby incb inch inci incy init inni innu inny inti intn intu inui inun itby itch ithc itic itin itty iucc iuiu iuty n-ii nbbc nbcc nbci nbic nbti nbty ncbc ncbi nccc ncci nccn ncct nccu nchc ncit ncnc nctc nhcc nhnn nibi nicc nich nici nicu nicy niht niit niiu ninh nini nitb nitc nith niti nity niyi nnit nnnn nntn ntbc ntcc nthn ntht ntnu ntuc ntui nubc nubi nuby nuch nuci nucu nuhi nuin nuit nunc nunn nunt nuny nuth nutt nutu nycc nycy nyht nyit nynt nyny nytb nytc nyth tbcb tbcc tbit tcby tccc tccu tch- tchh tchi tchu tcnn tctc thch thi- thic thin thnt thtb thun thuy thyh thyn tibi tibu ticc tich tiht tihu tiit tiiu tinc tini tinn tint tinu tiny titc tith titi titt titu tiyi tiyn tnbc tncc tnut ttbb ttcn tttt tubb tubu tucc tuch tuht tuhu tuin tuit tuiu tunb tunc tuni tunn tunu tuny tuti tutt tutu tuty tuyn tybi tyht tyin tynt tyny tyti tytt tyty tyyn ubbi ubic ubii ubit ucbc ucci uchi ucin ucut uhti uhuh uint uncc unch unci unct uni- unic unii unin unit unni untb unth unty unut utby utin utti uttu uuni uuuu uuyn uyin yccc ycch yctc yhit yiti ynch ytch ytht yubu yuhi yuin yuit yuny yutu yuty yuyu yyyy