cccc cccf cccs ccfc ccff cchr cchs ccrc ccrf ccrs ccsf ccss cfcf cfcs cffr cfhs chch chcs chfc chfr chfs chhs chrc chrf chrr chrs chsc chsh chsr crcc crcr crfc crfs crhs crss cscc cscf csch cscr cscs csfc csfr cshs csrc csrs cssr fccf fcch fchs fcsc ffcc ffff ffhs ffrr ffss fhfs fhhs fhrs fhss frcc frfc frhs frsc fscc fshs fssc fssf hccc hcch hccs hcfc hchs hcsc hcss hfcs hfhs hfrs hfss hhhh hhhs hrfc hrhs hrrc hscc hsfc hsfs hshs rccc rccs rcfc rchs rcsc rcss rffc rfhs rhfs rhhs rrfc rrhs rrrr rscc rsch rscs rsfc rshs sccc sccs scfc sch- schh schr schs scr- scrc scrs scsc scsh scsr sfcc sfcs sffc sfhs sfrc sfss shcc shhh shhs shrs shsc srcc srch srfc srhs sscc sscs ssfc sshs ssrc ssrs sssc sssf sssh ssss