cccc cccf cccs cccu ccfc ccff ccrc ccrf ccrs ccsf ccss ccuc ccus cfcf cfcs cfcy cffr cfry crcc crcr crfc crfs crss crus cry- crys cscc cscf cscr cscs csfc csfr csrc csrs cssr csuf csur csus csys cucc cufc cuff curf curr curs cury cuss cusu cusy cuy- cuyr cyc- cycc cycs cyfs cyrs cyy- cyyc fccf fcsc ffcc ffff ffrr ffss frcc frfc frsc frys fscc fssc fssf fuc- fufc fuff fufu fur- furr furs fury fusc fuss fusu fuyu fyrs fyry rccc rccs rcfc rcsc rcss rcyc rffc rrfc rrrr rscc rscs rscy rsfc rufc ruff rurc rurs ruru russ rusu rusy ruys ryff rysy ryyf sccc sccs sccy scfc scr- scrc scrs scry scsc scsr scsu scur sfcc sfcs sffc sfrc sfss sfsu srcc srfc sscc sscs ssfc ssrc ssrs sssc sssf ssss suc- succ sucr sucs suf- sufc suff sufr sufs sufu sur- surc surf surr surs suru sury sus- suss susu susy suus suyr suyu sycr syff syfy syrs syry syss ucrc ucsc ucsf ucsu ufcu urcy urff urry urss ursu ursy urur urus uscc uscf uscs usfc usfs ussc ussf ussr usss ussu ussy usus uuuu yccc yssu yuff yufu yury yuyu yyff yyyy