bbbb bbci bblb bcbc bcbp bccc bcci bccl bcpl bcpp bcuc bcup bibb bibi bibl bicc bici bili bill bilu bily bipp bipu blcu blic blip blub blup bly- bpcp bubb bubi bubu bucc buci bucu buic buiu bulb buli bull bulu bupc buyi buyl buyu byil byul cbbc cbcc cbcl cbcp cbcu cblb cblc cbpc cbpp ccbc cccb cccc ccci cccl cccp cccu ccic ccii ccil ccip cclc ccli ccpl ccpp ccuc ccup cibc cibi cicc cici cicu ciii cili cill cilp cipp ciuc ciup ciyu clib clic clii clip clpb clpp club cly- cpbc cpcu cpic cplc cub- cubb cubi cuby cucc cuci cui- cuil culb culc cull culp cupl cupp cuy- cuyl cuyp cybb cybc cybi cyc- cycb cycc cycl cyl- cylc cyll cypc cyul cyy- cyyc i-by ibly ibuy ibyi icbc icbp iccb iccc icci iccl iccp iccu icll iclp icpc icub icup iiii iiuc ilbc ilic ill- illi illp illy iluy ipcc ipil ippc ippy iucc iuiu iupp lbcc lcbc lccc lcpc lcpl libc libu liii lilb lili lill lilu lily lip- lipb lipc lipi lipl lipp lipu lipy liyl liyu llcc lllc llll lppl luby luci lucy luli lull lulu lupi lupu luup luyi lyc- lyly pbcc pbil pblu pcbc pccc pccl pcip pcll pcpb pcpp pibb pibi picc pici picu picy piip pil- pili pill pilu pily pipi pipp pipy plcc plib plip plpp plup ppcc ppci ppib ppic ppli pppp publ pubu puiu puli pull pulp pulu puly pupi pupl pupu pupy puuc puy- puyi pyic pyl- pyli pyll pypy ubbi ubic ubii ubli ubly ubpc ucbc ucci uccp ucil ucpb uipi ulbc ulcc ulic ulli ully ulul upby upci upic uplb uppc uppp uppu uppy upup uucp uulu uuuu yccc yili yill ylli ypcc yubu yuli yulu yupi yuyu yyyy