bbbb bbci bblb bcbc bccc bcci bccl bibb bibi bibl bicc bici bick bili bilk bill blic blik blkb cbbc cbcc cbcl cbkl cblb cblc ccbc cccb cccc ccci cccl ccic ccii ccil cclc ccli cibc cibi cicc cici ciii cili cilk cill ckbc ckbi ckck ckcl clib clic clii clik icbc iccb iccc icci iccl icll iiii ikki ilbc ilic ilki ill- illi k-ci kbbb kbbc kbbi kbbk kbbl kbcb kbci kbck kbcl kbib kbic kbik kbil kbkb kbkk kbkl kblb kbll kcbc kcbi kcbk kcbl kccb kccc kcci kcck kccl kcic kcii kcil kckc kckk kckl kclc kcli kclk kcll kibb kibc kibi kibl kicb kicc kick kicl kiic kiii kiik kikc kiki kikk kilb kili kilk kill kkbb kkbi kkbl kkcb kkci kkck kkcl kkic kkik kkkk kklb kklc kkli kkll klbb klbc klbl klcb klcc klci klck klcl klib klic klik klil klkc klkk klkl kllb kllc kllk lbcc lcbc lccc libc lick liii lilb lili lill llcc lllc llll