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-hou bbbb bbch bbci bcbc bccc bcci bcit bctc bcuc bcvo bhcc bhit bhoi bhot bhut bhuu bibb bibi bibo bicc bich bici bico bihi bihu bio- bioc bioi biot biou bitc bith bito bitt bitu bivi bobb bobi bobo bobu boch boco bocu boho boht bohu boi- boii boit boiu boob booc booh boot botb both boti boto bott bouh bout bovi bovo btcc btob bttb btvi bubb bubi bubo bubu bucc buch buci buco bucu buhi buho buic buit buiu but- buti buto butt c-bo cbbc cbcc cbct cbcu cbit cbot cbtc cbtv cbvb ccbc cccb cccc ccci cccu cccv ccic ccii cciv ccob ccoc cctb cctc cctt cctv ccuc ccut ccvi ccvo chch chci chib chic chih chit chiu chiv choc choh choi choo chou chov chto chtt chtv chub chui chut chvo cibc cibi cibo cicc cich cici cico cict cicu ciht ciii ciit ciob citb cith citi cito citt citu citv ciuc civc civh civo cobb cobh cobi cobo cobu coch coco coct cocu coho coit coob cooh coot cotb cotc coth coti coto cott cotu coub cout covo ctbi ctic ctot ctvo ctvt cub- cubb cubi cucc cuci cui- cuit cut- cutc cuth cuto cutt cutv cvcc cvii h-ii hbic hbio hbit hboc hbtu hcbc hccb hccc hcch hchi hctv hhhh hi-c hi-v hibi hibt hibu hicc hich hico hihc hihi hiho hiht hiit hiiu hiob hioc hitc hiti hito hitt hitv hobo hoch hoho hoit hoot hotb hoth hoti hoto hott hotu hout hovi htcc htoh hubb hubi hubo huch hucu huhi huhu huib huit huot huth huti huto hutt hutu hutv huub hvcc ibot ibtb ibtc icbc iccb iccc icci icco icct iccu ichc ichi icho ichu icoc ictv icub ihcc ihit ihob ihtc ihub ihuo ihvh iiht iiii iiio iiit iioi iioo iitt iiuc iobi ioci ioii ioio ioit iooi iooo ioto itch ithc itic itoh itoi itoo itou itto iucc iucv iuiu ivbv ivic obbo obit oboi obot obuh obvi ocbc occc occi occt ochi ocht oct- octi octo ohcc ohhi ohho ohio ohob ohoh ohto ohtu oici oiii oitc oiti oobi ooho oooh oooo ootb otho otic otit oto- otoh otoo otov otti otto ottu oucc ouch ouii ouit out- outb outh outi outo ouu- ovi- ovo- ovoo ovot tbcb tbcc tbit tbvi tccc tccu tch- tchh tchi tcho tchu tcov tctc thch thi- thic thio thoo thot thou thtb tibi tibu ticc tich tico tiht tihu tiit tiiu tiou titc tith titi tito titt titu tivi tivo tobi tobo tobt tobu toch toci toco tohi toho tohu toit tooh toot totc toth toti toto tott touh toui tout touv tovo ttbb tttt tubb tubo tubu tucc tuch tuco tuht tuhu tuit tuiu tuti tuto tutt tutu tuuo tvhb tvtv ubbi ubbo ubic ubii ubit uboc ucbc ucci uchi ucho ucio uctv ucut uhoh uhti uhuh uocc uovo utti utto uttu uuoc uuuu uv-b uv-c uvic uvvu vbcc vcbi vcci vhhh vic- vich vici vico vict vihi viii vith viti vito vitt vitu vivi vivo voho vohu voic voio voit vooc voot voth voto vouh vout vt-i vuco