cccc cccl cccs cccu cclc ccls ccnc ccnr ccns ccnu ccrc ccrl ccrs ccsl ccsn ccss ccuc ccus clrs clsc clun cnrc cnrr cnsl cnss crcc crcr crls crns crss crun crus cscc cscl cscr cscs cslr cslu csrc csrs cssr csur csus cucc cucn culc cull culs curl curn curr curs cuss cusu lccc lccs lcls lcrl lcrs lcsc lcsr llcc llcs lllc llll lncr lrcs lrrc lrrr ls-r lscs lsrc lssr lucs lull lulu lunn luns lurs luss nccc nccn nccr nccs nccu nclc ncln nclr ncnc ncrc ncsc ncsl ncss nlcc nlcs nlls nlsc nnls nnnn nnsl nnss nrcs nrrc nrrl nrsc nscc nscl nscs nslr nsls nsnr nsrc nsrl nssc nssr nsss nucs nucu null nunc nunn nuns nurc nurl nurn nurr nurs nuru nusl nuss nusu rccc rccs rcls rcnl rcnr rcsc rcsl rcss rlcs rlls rncs rrrr rrun rscc rscn rscs rslc rsnn rsnr rssl rull runc runn runs rurc rurs ruru russ rusu ruun sccc sccl sccs scl- sclc scls scnr scr- scrc scrn scrs scsc scsl scsn scsr scsu scul scun scur slcc slcu slln slrc slrn slrs slsc slsu sluc slur sncc snns snrs snur snus srcc srnn sscc sscs sslc ssns ssrc ssrl ssrs sssc ssss suc- succ sucr sucs sul- sulc sull sulu sun- sunn suns sunu sur- surc surn surr surs suru sus- suss susu suus ucrc ucsc ucsu ulcc ullr ulul ulus uncc uncl uncs unns unrs uns- unsc unus urls urns urss ursu urun urur urus uscc uscs uslu usnc usnr usnu ussc ussr usss ussu usul usun usus uulu uuuu