cccc cccl cccs cclc ccls ccrc ccrl ccrs ccrt ccsl ccss ccst cctc cctl cctt clrs clsc cltc clts crcc crcr crls crrt crss crst crtc crtl crts cscc cscl cscr cscs cslr csrc csrs cssr cstc cstr csts ctls ctrc ctrl ctrs ctsc ctss ctts lccc lccs lcls lcrl lcrs lcsc lcsr lctl lcts llcc llcs lllc llll lrcs lrrc lrrr lrst lrts ls-r lscs lsrc lssr lsts ltcc ltcs ltrs ltsr lttc lttr rccc rccs rcls rcsc rcsl rcss rctc rcts rlcs rlls rrrr rscc rscs rslc rssl rsts rtcc rtls rtlt rtss rtts sccc sccl sccs scct scl- sclc scls scr- scrc scrs scsc scsl scsr scst sctc sctl sctr scts slcc slrc slrs slsc slst slts srcc srct srtr sscc sscs sslc sslt ssrc ssrl ssrs sssc ssss sstc sstl ssts stcc stcs stlc stlt strc strs stss sttc sttr tccc tctc tcts tlrs trcc trcl trst trtc trtr tscc tssr tsst tstc tsts ttss tttt