bbbb bbci bblb bcbc bccc bcci bccl bcuc bibb bibi bibl bicc bici bick biku bili bilk bill bilu bily bkcy blcu blic blik blkb blub bly- blyk bubb bubi bubu bucc buci buck bucu buic buik buiu buki bukk buku buky bulb buli bulk bull bulu buyi buyl buyu byck byik byil byki byul cbbc cbcc cbcl cbcu cbkl cblb cblc ccbc cccb cccc ccci cccl cccu ccic ccii ccil cclc ccli ccuc cibc cibi cicc cici cicu ciii cili cilk cill ciuc ciyu ckbc ckbi ckck ckcl ckcy ckyl clib clic clii clik club cly- clyk cub- cubb cubi cuby cucc cuci cuck cui- cuil cuk- culb culc culk cull cuy- cuyl cybb cybc cybi cyc- cycb cycc cycl cyl- cylc cyll cyul cyy- cyyc i-by ibly ibuy ibyi icbc iccb iccc icci iccl iccu icky icll icub iiii iiuc ikki ikky ikyl ilbc ilic ilki ilku ill- illi illy iluy iucc iuiu k-ci kbbb kbbc kbbi kbbk kbbl kbbu kbcb kbci kbck kbcl kbcu kbcy kbib kbic kbik kbil kbiu kbiy kbkb kbkk kbkl kbky kblb kbll kblu kbub kbuc kbuk kbul kbuu kbuy kbyb kbyi kbyu kcbc kcbi kcbk kcbl kcbu kccb kccc kcci kcck kccl kccu kccy kcic kcii kcil kciu kckc kckk kckl kcky kclc kcli kclk kcll kclu kcly kcub kcui kcuk kcul kcyk kcyl kcyy kibb kibc kibi kibl kibu kiby kicb kicc kick kicl kicy kiic kiii kiik kiiu kikc kiki kikk kiku kilb kili kilk kill kiul kiuu kiyi kiyk kiyu kkbb kkbi kkbl kkcb kkci kkck kkcl kkcy kkic kkik kkkk kklb kklc kkli kkll kkuu kkyc kkyy klbb klbc klbl klbu klcb klcc klci klck klcl klcy klib klic klik klil kliu klkc klkk klkl klky kllb kllc kllk klly klub kluk kluu klyc klyk klyy kubb kubc kubu kuby kucb kucc kuci kuic kuik kuil kuki kukk kukl kuku kuky kulb kuli kull kulu kuly kuub kuuk kuul kuuu kuyi kuyu kuyy kybb kybc kybi kyby kycc kyck kykc kykk kyky kyli kyll kyuk kyul kyuu kyyi kyyk kyyy lbcc lcbc lccc libc libu lick liii liku lilb lili lill lilu lily liyl liyu llcc lllc llll luby luci luck lucy luik luki luky luli lull lulu luuk luyi lyc- lyik lyly ubbi ubic ubii ubik ubli ubly ucbc ucci ucil ucky ukcc ukky ulbc ulcc ulic ulik ulli ully uluk ulul uulu uuuu yccc yili yill ylli ylyk yubu yuck yuki yuku yuky yuli yulu yuyu yyyy