bbbb bbch bbci bbin bcbc bccc bcci bcnu bcuc bhcc bhuu bibb bibi bicc bich bici bihi bihu biin bin- binc binh bini binn binu bnib bnin bubb bubi bubu bucc buch buci bucu buhi buic buin buiu bunb buni bunn bunu cbbc cbcc cbcn cbcu ccbc ccbn cccb cccc ccci cccu ccic ccii ccnb ccnc ccni ccnu ccuc chch chci chib chic chih chin chiu chnb chnc chub chui chun cibc cibi cicc cich cici cicu ciii cin- cinc cini ciuc cnbc cnci cnib cnic cnih cub- cubb cubi cucc cuci cucn cui- cuin h-ii hbic hcbc hccb hccc hcch hchi hhhh hi-c hibi hibu hicc hich hihc hihi hiiu hinc hinn hubb hubi huch hucu huhi huhn huhu huib hunc hunh huni huub icbc iccb iccc icci iccn iccu ichc ichi ichu icnb icnc icub ihcc ihub iiii iiuc incb inch inci inni innu inui inun iucc iuiu n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn nccu nchc ncnc nhcc nhnn nibi nicc nich nici nicu niiu ninh nini nnnn nubc nubi nuch nuci nucu nuhi nuin nunc nunn ubbi ubic ubii ucbc ucci uchi ucin uhuh uncc unch unci uni- unic unii unin unni uuni uuuu