-hou bbbb bbch bbci bcbc bccc bcci bcuc bhcc bhoi bhuu bibb bibi bibo bicc bich bici bico bihi bihu bio- bioc bioi biou bobb bobi bobo bobu boch boco bocu boho bohu boi- boii boiu boob booc booh bouh bubb bubi bubo bubu bucc buch buci buco bucu buhi buho buic buiu c-bo cbbc cbcc cbcu ccbc cccb cccc ccci cccu ccic ccii ccob ccoc ccuc chch chci chib chic chih chiu choc choh choi choo chou chub chui cibc cibi cibo cicc cich cici cico cicu ciii ciob ciuc cobb cobh cobi cobo cobu coch coco cocu coho coob cooh coub cub- cubb cubi cucc cuci cui- h-ii hbic hbio hboc hcbc hccb hccc hcch hchi hhhh hi-c hibi hibu hicc hich hico hihc hihi hiho hiiu hiob hioc hobo hoch hoho hubb hubi hubo huch hucu huhi huhu huib huub icbc iccb iccc icci icco iccu ichc ichi icho ichu icoc icub ihcc ihob ihub ihuo iiii iiio iioi iioo iiuc iobi ioci ioii ioio iooi iooo iucc iuiu obbo oboi obuh ocbc occc occi ochi ohcc ohhi ohho ohio ohob ohoh oici oiii oobi ooho oooh oooo oucc ouch ouii ouu- ubbi ubbo ubic ubii uboc ucbc ucci uchi ucho ucio uhoh uhuh uocc uuoc uuuu