cccc cccl cccu cclc ccnc ccnr ccnu ccny ccrc ccrl ccuc clun cly- cnrc cnrr crcc crcr crun cry- cryn cucc cucn culc cull cuny curl curn curr cury cuy- cuyl cuyr cyc- cycc cycl cyl- cylc cyll cyn- cyrl cyul cyun cyy- cyyc cyyn lccc lcrl llcc lllc llll llyn llyr lncr lrrc lrrr lrry lucy lull lulu lunn luny lury lyc- lyly lync lynn lyun lyyn nccc nccn nccr nccu nclc ncln nclr ncnc ncrc nlcc nnnn nrrc nrrl nucu null nunc nunn nuny nurc nurl nurn nurr nuru nycc nycy nyll nyny nyul rccc rcnl rcnr rcyc rrrr rrun rull ruly runc runn runy rurc ruru ruun ruyl rynn ryun ucrc ulcc ullr ully ulul uncc uncl urcy urry urun urur uryn uulu uuuu uuyn yccc yrly yrun yryn yulu yuny yurn yury yuyu yyyy