cccc cccl cccs cccu cclc ccls ccrc ccrl ccrs ccsl ccss ccuc ccus clrs clsc cly- crcc crcr crls crss crus cry- crys cscc cscl cscr cscs cslr cslu csrc csrs cssr csur csus csys cucc culc cull culs curl curr curs cury cuss cusu cusy cuy- cuyl cuyr cyc- cycc cycl cycs cyl- cylc cyll cyls cyrl cyrs cyul cyy- cyyc lccc lccs lcls lcrl lcrs lcsc lcsr llcc llcs lllc llll llyr lrcs lrrc lrrr lrry ls-r lscs lsrc lssr lucs lucy lull lulu lurs lury luss luys lyc- lyly lys- lysl lyss rccc rccs rcls rcsc rcsl rcss rcyc rlcs rlls rlys rrrr rscc rscs rscy rslc rssl rull ruly rurc rurs ruru russ rusu rusy ruyl ruys rysy sccc sccl sccs sccy scl- sclc scls scr- scrc scrs scry scsc scsl scsr scsu scul scur slcc slcu slrc slrs slsc slsu sluc slur slys srcc sscc sscs sslc ssrc ssrl ssrs sssc ssss suc- succ sucr sucs sul- sulc sull sulu sur- surc surr surs suru sury sus- suss susu susy suus suyr suyu sycr syl- syll syls syrs syry syss ucrc ucsc ucsu ulcc ullr ully ulul ulus ulys urcy urls urry urss ursu ursy urur urus uscc uscs uslu ussc ussr usss ussu ussy usul usus uulu uuuu yccc ylls yrly yssu yuls yulu yury yuyu yyyy