-ous cccc cccf cccs cccu ccfc ccff ccoc ccrc ccrf ccrs ccsf ccss ccuc ccus cfcf cfco cfcs cfcy cffr cfor cfos cfry coco cocu cofc coff cofs coof coos cor- corc corf coro corr cors cory cosc coso coss cosy cour cous couy coyf coyo coyr coys crcc crcr crfc crfs croc croo cror croy crss crus cry- cryo crys cscc cscf csco cscr cscs csfc csfr csor csos csrc csrs cssr csuf csur csus csys cucc cufc cuff cufo curf curo curr curs cury cuso cuss cusu cusy cuy- cuyo cuyr cyc- cycc cycs cyfs cyrs cyy- cyyc fccf fcsc ffcc ffff ffrr ffss foco focs fofo foof foos for- foro forr fors foso foss four fous foys frcc frfc fros frou frsc frso frys fscc fsfo fssc fssf fuc- fufc fuff fufu fuor fur- furo furr furs fury fusc fuso fuss fusu fuyu fyrs fyry occc ocos ocro ocrr ocrs ocur ocys ofcr off- offc offo offr offs offu offy ofor ofus oocr ooff oofs oofy oooo ooos oory oous orco orcs orff orfs orfu oro- orof oror oros oroy orro orrs orry orso orsu orsy orus orys oscc osco osoo osor osos osro osso ossu ossy oucc oufc ouff our- ouro ours ouu- ouyr oyou oyss rccc rccs rcfc rcos rcsc rcss rcyc rffc rocc roco rocs rofc roff rofo roof roor roos rorc roro roru rory rosc roso ross rosy rouf rous rouy roys rrfc rrrr rscc rscs rscy rsfc rsos rufc ruff rufo ruoy rurc ruro rurs ruru ruso russ rusu rusy ruys ryff rysy ryyf s-os sccc sccs sccy scfc scoo scor scr- scrc scrs scry scsc scso scsr scsu scur sfcc sfco sfcs sffc sfor sfos sfrc sfro sfss sfsu soco socr socs socy sofo soof soor soos sooy soro sorr sors soru sory soso soss souf sour sous soyo soys srcc srfc sros sscc sscs ssfc ssoc ssrc ssrs sssc sssf ssss suc- succ sucr sucs suf- sufc suff sufr sufs sufu suor suos sur- surc surf suro surr surs suru sury sus- suso suss susu susy suus suyo suyr suyu syco sycr syff syfy syro syrs syry syso syss ucos ucrc ucsc ucsf ucsu ufcu ufos uocc uofo uor- urcy urff uro- uroo urry urso urss ursu ursy urur urus uscc uscf usco uscs usfc usfs usoc usos ussc ussf ussr usss ussu ussy usus uuoc uuuu yccc yoff yoof yoro yory yoso youf your yous yoyo yrof ysco yssu yuff yufu yury yuyu yyff yyyy