bbbb bbci bblb bcbc bccc bcci bccl bcuc bibb bibi bibl bicc bici bili bill bilu bily blcu blic blub bly- bubb bubi bubu bucc buci bucu buic buiu bulb buli bull bulu buyi buyl buyu byil byul cbbc cbcc cbcl cbcu cblb cblc ccbc cccb cccc ccci cccl cccu ccic ccii ccil cclc ccli ccuc cibc cibi cicc cici cicu ciii cili cill ciuc ciyu clib clic clii club cly- cub- cubb cubi cuby cucc cuci cui- cuil culb culc 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 icll icub iiii iiuc ilbc ilic ill- illi illy iluy iucc iuiu lbcc lcbc lccc libc libu liii lilb lili lill lilu lily liyl liyu llcc lllc llll luby luci lucy luli lull lulu luyi lyc- lyly ubbi ubic ubii ubli ubly ucbc ucci ucil ulbc ulcc ulic ulli ully ulul uulu uuuu yccc yili yill ylli yubu yuli yulu yuyu yyyy