-ic b-u bbb bbc bbi bbt bbu bby bcb bcc bci bct bcu bcy bi- bib bic bii bit biu biy btb btc bti btt btu bty bub buc bui but buu buy by- byc byi byt byu c-- cbb cbc cbi cbt cbu cby ccb ccc cci cct ccu ci- cib cic cii cit ciu ctb ctc cti ctt ctu cty cub cuc cui cut cuu cuy cyb cyc cyt ibb ibc ibi ibt ibu iby icb icc ici ict icu icy iib iic iii iit iiu itb itc iti itt itu ity iu- iub iuc iui iut iyc iyt iyy tbb tbc tbi tbt tbu tcb tcc tci tct tcu tib tic tii tit tiu tiy ttb ttc tti ttt ttu tty tub tuc tui tut tuu tuy tyc tyt ubb ubc ubi ubt ubu uby ucb ucc uci uct ucu uib uic uii uit uiu utb utc uti utt utu uty uuc uut uuu uyc uyi uyu ybc ybi yby ycc yci ycu ycy yii yit ytc ytt ytu yui yut yuu yuy yyb yyc yyt yyu yyy

bbbb bbci bcbc bccc bcci bcit bctc bcuc bibb bibi bicc bici bitc bitt bitu btcc bttb bubb bubi bubu bucc buci bucu buic buit buiu but- buti butt buty buyi buyu byit cbbc cbcc cbct cbcu cbit cbtc cbyt ccbc cccb cccc ccci cccu ccic ccii cctb cctc cctt ccuc ccut cibc cibi cicc cici cict cicu ciii ciit citb citi citt citu city ciuc ciyu ctbi ctic cub- cubb cubi cuby cucc cuci cui- cuit cut- cutc cutt cuy- cybb cybc cybi cyc- cycb cycc cyt- cytb cyy- cyyc i-by ibtb ibtc ibuy ibyi icbc iccb iccc icci icct iccu icub iiii iiit iitt iiuc itby itic itty iucc iuiu iuty tbcb tbcc tbit tcby tccc tccu tctc tibi tibu ticc tiit tiiu titc titi titt titu tiyi ttbb tttt tubb tubu tucc tuit tuiu tuti tutt tutu tuty tybi tyti tytt tyty ubbi ubic ubii ubit ucbc ucci ucut utby utti uttu uuuu yccc yctc yiti yubu yuit yutu yuty yuyu yyyy

bibby bibic biccy bitit bitti bitty bubby bucci bucic buici butit butty butut buyit by-by bybib bytyc cc-by ccccc cccii cciii ccitt ciuti cubby cubi- cubic cubit cubub cucui cucuy cutcu cuti- cutit cutty cytyc ibity icici ictic iiiii iitti itbit ittti itu-t itutu iyiyi tbtbt tbutt ti-ti tibbi tibbu ticci titii titti titty ttttt tubby tubi- tucci tuctu tutti tutty tuubi u-bit ubity uitti uuuuu yu-ti

bbbbbb bububu bucici butucu ciucci cubiti cubitt cucici cui-ui cutcut cyctic i-city ibicui tibbit ticcit ticici titbit titibu tubici tucuti tuiuti tuttut ybycui

bbbbbbb bicubic cucubit ittybit tibbitt tit-bit tut-tut tuyuti ubicity

bbbbbbbb bitbybit butt-cut i-ii-iii tucutucu

ittybitty tucu-tucu

bit-by-bit itty-bitty

bbbbbbbbbbbbbbb ccccccccccccccc