cccc cccs cchr cchs ccnc ccnr ccns ccrc ccrs ccsn ccss chch chcs chhs chnc chnr chns chrc chrn chrr chrs chsc chsh chsr cnhs cnrc cnrr cnss crcc crcr crhs crns crss cscc csch cscr cscs cshs csrc csrs cssr hccc hcch hccs hchs hcsc hcss hhhh hhhs hncs hnhs hrhs hrrc hscc hscn hshs nccc nccn nccr nccs nchc nchs ncnc ncrc ncsc ncss nhcc nhhs nhnn nhrc nhsc nnhs nnnn nnss nrcs nrhs nrrc nrsc nscc nscs nshs nsnr nsrc nssc nssr nsss rccc rccs rchs rcnr rcsc rcss rhhs rncs rnsh rrhs rrrr rscc rsch rscn rscs rshs rsnn rsnr sccc sccs sch- schh schr schs scnr scr- scrc scrn scrs scsc scsh scsn scsr shcc shhh shhs shrs shsc sncc snhs snns snrs srcc srch srhs srnn sscc sscs sshs ssns ssrc ssrs sssc sssh ssss