-ic b-u bbb bbc bbi bbu bby bcb bcc bci bcu bcy bi- bib bic bii biu biy bub buc bui buu buy by- byc byi byu c-- cbb cbc cbi cbu cby ccb ccc cci ccu ci- cib cic cii ciu cub cuc cui cuu cuy cyb cyc ibb ibc ibi ibu iby icb icc ici icu icy iib iic iii iiu iu- iub iuc iui iyc iyy ubb ubc ubi ubu uby ucb ucc uci ucu uib uic uii uiu uuc uuu uyc uyi uyu ybc ybi yby ycc yci ycu ycy yii yui yuu yuy yyb yyc yyu yyy

bbbb bbci bcbc bccc bcci bcuc bibb bibi bicc bici bubb bubi bubu bucc buci bucu buic buiu buyi buyu cbbc cbcc cbcu ccbc cccb cccc ccci cccu ccic ccii ccuc cibc cibi cicc cici cicu ciii ciuc ciyu cub- cubb cubi cuby cucc cuci cui- cuy- cybb cybc cybi cyc- cycb cycc cyy- cyyc i-by ibuy ibyi icbc iccb iccc icci iccu icub iiii iiuc iucc iuiu ubbi ubic ubii ucbc ucci uuuu yccc yubu yuyu yyyy

bibby bibic biccy bubby bucci bucic buici by-by bybib cc-by ccccc cccii cciii cubby cubi- cubic cubub cucui cucuy icici iiiii iyiyi uuuuu

bbbbbb bububu bucici ciucci cucici cui-ui ibicui

bbbbbbb bicubic

bbbbbbbb i-ii-iii

bbbbbbbbbbbbbbb ccccccccccccccc