-ic bbb bbc bbi bbk bby bcb bcc bci bck bcy bi- bib bic bii bik biy bkb bkc bkk by- byc byi byk c-- cbb cbc cbi cbk cby ccb ccc cci cck ci- cib cic cii cik ckb ckc cki cky cyb cyc cyk ibb ibc ibi ibk iby icb icc ici ick icy iib iic iii ikb ikc iki ikk iyc iyy kbb kbc kbi kbk kcb kcc kci kck kib kic kii kik kkb kkc kki kkk kky kyc ybc ybi yby ycc yci ycy yii yki ykk yyb yyc yyy

bbbb bbci bcbc bccc bcci bibb bibi bicc bici bick bkcy byck byik byki cbbc cbcc ccbc cccb cccc ccci ccic ccii cibc cibi cicc cici ciii ckbc ckbi ckck ckcy cybb cybc cybi cyc- cycb cycc cyy- cyyc i-by ibyi icbc iccb iccc icci icky iiii ikki ikky k-ci kbbb kbbc kbbi kbbk kbcb kbci kbck kbcy kbib kbic kbik kbiy kbkb kbkk kbky kbyb kbyi kcbc kcbi kcbk kccb kccc kcci kcck kccy kcic kcii kckc kckk kcky kcyk kcyy kibb kibc kibi kiby kicb kicc kick kicy kiic kiii kiik kikc kiki kikk kiyi kiyk kkbb kkbi kkcb kkci kkck kkcy kkic kkik kkkk kkyc kkyy kybb kybc kybi kyby kycc kyck kykc kykk kyky kyyi kyyk kyyy yccc yyyy

bibby bibic biccy bikky by-by bybib cc-by ccccc cccii cciii ckick icici iiiii iyiyi ki-yi kibbi kibi- kicky kiiki kikki

bbbbbb kikiki kikkik

bbbbbbb

bbbbbbbb i-ii-iii

bbbbbbbbbbbbbbb ccccccccccccccc