cccc cccl cccs cclc ccls ccnc ccnr ccns ccrc ccrl ccrs ccrt ccsl ccsn ccss ccst cctc cctl cctt clrs clsc cltc clts cnrc cnrr cnrt cnsl cnss cntc cntr crcc crcr crls crns crrt crss crst crtc crtl crts cscc cscl cscr cscs cslr csrc csrs cssr cstc cstr csts ctls ctns ctrc ctrl ctrn ctrs ctsc ctsn ctss cttn ctts lccc lccs lcls lcrl lcrs lcsc lcsr lctl lcts llcc llcs lllc llll lncr lntc lnts lrcs lrrc lrrr lrst lrts ls-r lscs lsrc lssr lsts ltcc ltcs ltns ltnt ltrs ltsr lttc lttr nccc nccn nccr nccs ncct nclc ncln nclr ncnc ncrc ncsc ncsl ncss ncst nctc nctr nlcc nlcs nlls nlsc nnls nnnn nnsl nnss nntn nrcs nrrc nrrl nrsc nrtl nrts nscc nscl nscs nslr nsls nsnr nsrc nsrl nssc nssr nsss nstc nstl nsts ntcc ntrc ntrl ntsc ntss nttr rccc rccs rcls rcnl rcnr rcsc rcsl rcss rctc rcts rlcs rlls rncs rnnt rrrr rscc rscn rscs rslc rsnn rsnr rssl rsts rtcc rtls rtlt rtns rtss rtts sccc sccl sccs scct scl- sclc scls scnr scnt scr- scrc scrn scrs scsc scsl scsn scsr scst sctc sctl sctn sctr scts slcc slln slrc slrn slrs slsc slst slts sncc snns snrs sntr srcc srct srnn srtr sscc sscs sslc sslt ssns ssrc ssrl ssrs sssc ssss sstc sstl ssts stcc stcs stlc stln stlt stnn stnr stns strc strn strs stss sttc sttr tccc tcnn tctc tcts tlrs tncc tnts trcc trcl trst trtc trtr tscc tssr tsst tstc tsts ttcn ttss tttt