-ic b-u bbb bbc bbi bbu bbx bcb bcc bci bcu bcx bi- bib bic bii biu bix bub buc bui buu bux bxb bxi bxx c-- cbb cbc cbi cbu cbx ccb ccc cci ccu ccx ci- cib cic cii ciu cix cub cuc cui cuu cxc cxi cxx ibb ibc ibi ibu ibx icb icc ici icu iib iic iii iiu iix iu- iub iuc iui ixc ixi ubb ubc ubi ubu ubx ucb ucc uci ucu uib uic uii uiu uuc uuu uxb uxc uxu xbc xbx xcb xci xcx xic xii xiu xix xui xxi xxx

bbbb bbci bcbc bccc bcci bcuc bibb bibi bicc bici bixi bubb bubi bubu bucc buci bucu buic buiu buix cbbc cbcc cbcu cbux ccbc cccb cccc ccci cccu ccic ccii ccix ccuc ccxi cibc cibi cicc cici cicu ciii ciuc cixi cub- cubb cubi cucc cuci cui- cxii cxix cxxi cxxx icbc iccb iccc icci iccu icub iiii iiuc iucc iuiu ixxi ubbi ubic ubii ucbc ucci uuuu xcii xibu xiii xixi xuxu xxii xxix xxxi xxxx

bibic bucci bucic buici ccccc cccii cciii ccxii cubi- cubic cubub cucui icici iiiii uuuuu xciii xxiii xxxii xxxix

bbbbbb bububu bucici ciucci cucici cui-ui ibicui xxxiii

bbbbbbb bicubic xxxxxxx

bbbbbbbb i-ii-iii

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