-ous cccc cccp cccs cccu ccoc ccpp ccps ccsp ccss ccuc ccup ccus ckck ckco ckcs ckoc ckoo ckos ckpc ckso cock coco cocp cocu cok- coko cook coop coos copo copp cops cosc coso cosp coss couk coup cous cpcs cpcu cpos cpps cpsc cpsk cpso cpsu cpus cscc csco cscs csks csos cspc csps csup csus cucc cuck cuk- cupo cupp cups cusk cuso cusp cuss cusu k-os kccc kcck kccu kckc kckk kcko kcos kcou kcpc kcpo kcps kcpu kcsc kcsp kcss kcsu kcuk kcup kkck kkco kkcs kkkk kkoo kkpc kkpk kkps kksp kkss kksu kkup kkus kkuu kock kocp kocs kokc kokk koko kokp koks koku kooc kook kooo koop koos koou kopp kops kopu kos- kosc koso kosp koss kosu kous kouu kpcc kpcs kpkk kpoc kpok kpoo kpop kpou kppc kppk kppo kppp kpsc kpso kpsp kpsu kpus ksck ksco kscs kscu kskk ksko ksks ksku ksoc ksok ksoo ksop ksos ksou kspc kspk kspo ksps ksso ksss kssu ksup ksuu kucc kuco kucp kukk kuks kuku kuok kuoo kuop kuos kups kupu kusc kuso kusp kusu kuuk kuuu occc ocks ocos ocpp okcu okko okok okpo okso okus ooku oooo ooos oops oous opo- opos oppo opps opsu opus oscc osco osku osoo osos osso ossu oucc ouu- pccc pccs pcks pcos pcpp pcps pcso pkcs pock poco pocs poko poku pook poop poos pop- popc popo popp pops posk poso poss pouk poup pous ppcc ppcs ppos pppo pppp ppps ppss psco pscu psoc psos psou pspp psps pssc psso puck puku pups pupu pusk puss puuc s-os sccc sccp sccs sck- scok scoo scop scpo scps scsc scso scsu scup skop skpc skpo skss skup sock soco socs sokk soko soku sook soop soos sopo sopp sops sopu soso soss souk soup sous spcc spco spcs spoc spok spoo spop spos spps spso spsp spss spus sscc sscp sscs ssoc ssop sspc sspo ssps sssc ssss suc- succ suck sucs suks suku suos sup- supo supp sups sus- susk suso susp suss susu suus uccp ucos ucsc ucsu ukcc ukko ukok ukps uksc ukup uocc upcs upos uppc uppp uppu upsc upup us-k uscc usco uscs usoc usos uspc uspo uspp usps ussc usss ussu usus uucp uuoc uuuu