-ous cccc cccp cccs cccu ccoc ccpp ccpr ccps ccrc ccrp ccrs ccsp ccss ccuc ccup ccus ckck ckco ckcs ckcy ckoc ckoo ckor ckos ckoy ckpc ckpr ckrc ckry ckso cock coco cocp cocu cok- coko coky cook coop coos copo copp copr cops copy cor- corc cork coro corp corr cors cory cosc coso cosp coss cosy couk coup cour cous couy coyo coyr coys cpcs cpcu cpos cpps cprs cpsc cpsk cpso cpsr cpsu cpus crcc crcr crkc crkp croc crok croo crop cror croy crpc crps crsp crss cruk crup crus cry- cryo crys cscc csco cscr cscs csks csor csos cspc csps csrc csrs cssr csup csur csus csys cucc cuck cuk- cupo cupp cupr cups curo curr curs cury cusk cuso cusp cuss cusu cusy cuy- cuyo cuyp cuyr cyc- cycc cycs cypc cyps cyrk cyrs cyy- cyyc k-os kccc kcck kccr kccu kccy kckc kckk kcko kckr kcky kcor kcos kcou kcpc kcpo kcpr kcps kcpu kcrc kcro kcrp kcrr kcrs kcru kcry kcsc kcsp kcsr kcss kcsu kcsy kcuk kcup kcyk kcys kcyy kkck kkco kkcr kkcs kkcy kkkk kkoo kkor kkoy kkpc kkpk kkps kkrc kkrk kkro kkrr kkrs kksp kksr kkss kksu kkup kkus kkuu kkyc kkys kkyy kock kocp kocs kokc kokk koko kokp kokr koks koku koky kooc kook kooo koop koor koos koou kopp kopr kops kopu kopy korc kork koro korr kors koru kos- kosc koso kosp kosr koss kosu kosy kour kous kouu koyo koyy kpcc kpcr kpcs kpkk kpkr kpky kpoc kpok kpoo kpop kpou kpoy kppc kppk kppo kppp kppr kprc kprk kpro kprp kprr kprs kpru kpsc kpso kpsp kpsu kpur kpus kpyk kpyr krcc krco krcs krcu krkc krkk krko krkr krks krku krky kroc krok kroo krop kror kros kroy krpr krps krpu krrc krrk krro krrr krrs krry krsc krsk krsr krss krsu krsy kruc kruk krup krur kryk kryo kryp kryy ksck ksco kscr kscs kscu kscy kskk ksko kskr ksks ksku ksky ksoc ksok ksoo ksop ksor ksos ksou kspc kspk kspo kspr ksps ksro ksrp ksrr ksrs ksry ksso kssr ksss kssu ksup ksuu ksyc ksyr ksyy kucc kuco kucp kucr kukk kuks kuku kuky kuok kuoo kuop kuos kupr kups kupu kurk kuro kurr kurs kuru kury kusc kuso kusp kusu kuuk kuur kuuu kuyo kuyu kuyy kycc kyck kycr kycs kykc kykk kykr kyks kyky kyok kyoo kyor kyos kyoy kyp- kypc kypr kyps kyrc kyrk kyro kyrs kysc kysk kysp kysr kyuk kyur kyus kyuu kyyk kyyo kyys kyyy occc ocks ocos ocpp ocro ocrr ocrs ocur ocys okcu okko okok okor okpo okro okso okur okus okyo oocr ooku ooky oooo ooos oops oory oous opo- opor opos oppo opps oppy opry opsu opsy opus orco orcs orko oro- orok oror oros oroy orpc orps orro orrs orry orsk orso orsu orsy orup orus orys oscc osco osku osoo osor osos osro osso ossu ossy osyp oucc our- ouro ours ouu- ouyr oyou oyss pccc pccs pcks pcos pcpp pcps pcrc pcso pkcs pock poco pocs poko poku poky pook poop poor poos pop- popc popo popp pops popy porc pork poro porr pors pory posk poso poss posy pouk poup pour pous pouy poyo poyr poys ppcc ppcs ppos pppo pppp ppps pprc ppru ppss ppur prcc prcp prcs prky pro- proc proo prop pros prou prps prrs prsc prso prss prus pruu pryk prys psco pscu psoc psos psou pspp pspr psps psrk psrp pssc psso psy- psys puck puku puky puoy pups pupu pupy pur- puro purp purr purs puru pury pusk puss puuc puy- puyo puys pyck pykk pyo- pyos pypy pyr- pyrk pyro pyry pysk pyss rccc rccs rcos rcpo rcps rcsc rcss rcyc rkos rkss rocc rock roco rocs rokk roko rokr roks roku roky rook roop roor roos ropo rops ropy rorc rork roro roru rory rosc roso rosp ross rosy rouk roup rous rouy roys rpcs rpos rpps rpyc rrrr rrsp rscc rscs rscy rsos rspk rspo rsps ruck rukk ruku ruok ruoy rupp rupy rurc ruro rurp rurs ruru rusk ruso russ rusu rusy ruys ryck rysy ryuk s-os sccc sccp sccs sccy sck- scok scoo scop scor scpo scps scr- scrc scrs scry scsc scso scsr scsu scup scur skop skor skpc skpo skss skup skur sky- skyr skys skyy sock soco socr socs socy sokk soko soku sook soop soor soos sooy sopo sopp sops sopu sopy soro sorr sors soru sory soso soss souk soup sour sous soyo soys spcc spco spcs spkr spoc spok spoo spop spor spos spoy spps spro sprs spry spso spsp spss spur spus spy- spyr spys srcc sros srpc srps srsp sscc sscp sscs ssoc ssop sspc sspo ssps ssrc ssrs sssc ssss suc- succ suck sucr sucs suks suku suky suor suos sup- supo supp supr sups supy sur- surc suro surp surr surs suru sury sus- susk suso susp suss susu susy suus suyo suyr suyu syck syco sycr sypo syro syrs syry syso syss syyk u-rp uccp ucky ucos ucrc ucsc ucsu ukcc ukko ukky ukok ukps ukrc uksc ukup ukur ukyo uocc uor- upcs upor upos uppc uppp uppu uppy upsc upsy upup urcy uro- urok uroo urpo urry urso urss ursu ursy uruk urup urur urus us-k uscc usco uscs usoc usos uspc uspo uspp usps ussc ussr usss ussu ussy usus uucp uuoc uuuu yccc ykko yksc yock yoko yoks yoky yook yoop yopo yopy york yoro yory yoso youk youp your yous yoyo ypcc ysco ysop yssu yuck yuko yuks yuku yuky yups yury yuyu yyyy