cccc cccl cccm cccu cclc cclm ccmc ccmm ccnc ccnm ccnu ccny cctc cctl cctt ccuc ccut cltc clum clun clut cly- clym cmcc cmll cmmc cmml cmmn cmtc cmtu cntc cntm cnut cttn cucc cucm cucn culc cull culm cult cum- cumt cunt cuny cut- cutc cutt cuy- cuyl cyc- cycc cycl cyl- cylc cyll cym- cyn- cyt- cyul cyun cyy- cyyc cyyn lccc lccm lctl lctm llcc lllc llll llyn lmcc lmln lmnt lntc lntm ltcc ltnt lttc ltuc lucy lull lulu lumc lunn lunt luny luyt lyc- lyly lymm lync lynn lytt lyun lyyn mccc mccl mclt mcmc mcml mcmt mctc mctu mlcc mlym mmcc mmcl mmcm mmct mmmc mmmm mmun mmyy mntn mtnt mtuc muc- mucc mucu mull mulm mult mulu muly mumm mumu mumy munc munn munt munu mutt mutu muut myc- myl- myll myln mylt mymy mynt nccc nccn ncct nccu nclc ncln ncmm ncnc nctc nlcc nmmc nmml nmnt nmtc nnmc nnmt nnnn nntn ntcc ntnu nttm ntuc nucu null numm numt numu nunc nunn nunt nuny nutt nutu nycc nycy nyll nylt nynt nyny nytc nyul tccc tccu tcnn tctc tcul tmcc tmcm tmnt tmtt tncc tnut ttcn ttml tttt ttul ttyl tucc tull tulu tuly tumu tunc tunn tunu tuny tutl tutt tutu tuty tuum tuyl tuyn tyl- tyll tynt tyny tytt tyty tyyn ucmc ucut ulcc ully ulmu ultt ulul ulum umut uncc uncl unct unmc unty unum unut uttu uulu uuuu uuyn yccc yctc yulu yuny yutu yuty yuyu yyyy