bbbb bbci bbin bblb bcbc bccc bcci bccl bibb bibi bibl bicc bici biin bili bill bin- binc bini binn blic blin blni bnib bnin cbbc cbcc cbcl cbcn cblb cblc cbln ccbc ccbn cccb cccc ccci cccl ccic ccii ccil cclc ccli ccnb ccnc ccni cibc cibi cicc cici ciii cili cill cin- cinc cini clib clic clii clin cnbc cnbl cnci cnib cnic icbc iccb iccc icci iccl iccn icll icnb icnc iiii ilbc ilic ilin ill- illi ilni incb inci incl inni lbcc lcbc lccc libc liii liin lilb lili lill linc linn llcc lllc llll n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn nclc ncln ncnc nibi nicc nici nicl nili nill nini ninl nlcc nlic nnnn