cccc cccs cchr cchs cchy ccrc ccrs ccss chch chcs chhs chrc chrr chrs chsc chsh chsr chy- chyc crcc crcr crhs crss cry- crys cscc csch cscr cscs cshs csrc csrs cssr csys cyc- cycc cycs cyrs cyy- cyyc hccc hcch hccs hchs hcsc hcss hhhh hhhs hrhs hrrc hscc hshs rccc rccs rchs rcsc rcss rcyc rhhs rhys rrhs rrrr rscc rsch rscs rscy rshs rych rysh rysy sccc sccs sccy sch- schh schr schs scr- scrc scrs scry scsc scsh scsr shcc shhh shhs shrs shsc srcc srch srhs sscc sscs sshs ssrc ssrs sssc sssh ssss sych sycr syrs syry syss yccc ycch yssh yyyy