-ous k-os kkkk kkoo kkor kkow kkpk kkps kkrk kkro kkrr kkrs kksp kksr kkss kksu kksw kkup kkus kkuu kkwk kkws kokk koko kokp kokr koks koku kook kooo koop koor koos koou kopp kopr kops kopu kopw kork koro korr kors koru kos- koso kosp kosr koss kosu kour kous kouu kouw kowr kpkk kpkr kpok kpoo kpop kpou kpow kppk kppo kppp kppr kppw kprk kpro kprp kprr kprs kpru kprw kpso kpsp kpsu kpur kpus kpwk kpwr kpww krkk krko krkr krks krku krkw krok kroo krop kror kros krow krpr krps krpu krrk krro krrr krrs krrw krsk krsr krss krsu krsw kruk krup krur krwk krwp krwr kskk ksko kskr ksks ksku ksok ksoo ksop ksor ksos ksou ksow kspk kspo kspr ksps kspw ksro ksrp ksrr ksrs ksrw ksso kssr ksss kssu ksup ksuu ksuw kswo kswp ksws ksww kukk kuks kuku kuok kuoo kuop kuos kuow kupr kups kupu kurk kuro kurr kurs kuru kuso kusp kusu kusw kuuk kuur kuuu kuwp kuwr kuws kuww kwkk kwkr kwkw kwok kwor kwos kwow kwpw kwrk kwro kwrp kwrr kwrs kwru kwrw kwsk kwso kwss kwsu kwsw kwur kwwk kwwr kwws okko okok okor okpo okro okso okur okus ooku oooo ooos oops oous opo- opor opos oppo opps opsu opus orko oro- orok oror oros orps orro orrs orsk orso orsu orup orus orwo osku osoo osor osos osow osro osso ossu our- ouro ours ouu- owow owur poko poku pook poop poor poos pop- popo popp pops pork poro porr pors posk poso poss pouk poup pour pous pouw powk powp powr pows ppos pppo pppp ppps ppru ppss ppur pro- proo prop pros prou prow prps prrs prso prss prus pruu psos psou pspp pspr psps psrk psrp psso puku pups pupu pur- puro purp purr purs puru pusk puss rkos rkss rokk roko rokr roks roku rook roop roor roos ropo rops rork roro roru roso rosp ross rouk roup rous rowk rowp rowr rows roww rpos rpps rrrr rrsp rsos rspk rspo rsps rukk ruku ruok rupp ruro rurp rurs ruru rusk ruso russ rusu s-os skop skor skow skpo skss skup skur skws sokk soko soku sook soop soor soos sopo sopp sops sopu soro sorr sors soru soso soss souk soup sour sous sowk sowp sowr sows spkr spok spoo spop spor spos spps spro sprs spso spsp spss spur spus sros srps srsp ssop sspo ssps ssrs ssss ssws suks suku suor suos sup- supo supp supr sups sur- suro surp surr surs suru sus- susk suso susp suss susu suus suwu swoo swop swor swow swss u-rp ukko ukok ukps uksw ukup ukur uor- upor upos uppp uppu upup uro- urok uroo urpo urso urss ursu uruk urup urur urus us-k usos uspo uspp usps ussr usss ussu usus uuuu uwsp wkko wkkp wkkr wkks wkkw wkok wkoo wkor wkos wkow wkpk wkpo wkpr wkps wkpw wkrk wkro wkrp wkrr wkrs wkru wksk wkso wksp wksr wkss wksu wksw wkws wokk woko wokr woks woku wokw wook woop woos woow wopp wops work woro worp worr wors worw woso wosp woss wosu wosw wouk woup wour wous wouw wowo wowp wows woww wpko wpkr wpok wpop wpor wpow wppr wprk wpro wprp wprr wprs wpso wpsp wpsr wpsu wpup wpur wrkk wrko wrkr wrks wrku wrkw wrok wroo wrop wros wrow wrpp wrpr wrps wrpw wrrk wrro wrrs wrrw wrso wrsr wrss wrsw wrup wrus wrwr wskk wsko wskp wskr wsku wskw wsok wsoo wsop wsor wsos wsou wspk wspo wspr wsps wsrk wsro wsrp wsrs wsru wsrw wssp wssr wsss wssu wssw wsup wsur wsus wsuw wswr wsws wsww wuks wupk wupr wups wupw wur- wurp wuso wusp wusr wuss wusu wusw wuuu wwkr wwks wwku wwor wwos wwow wwpr wwpw wwrk wwrr wwru wwrw wwsk wwsp wwsr wwss wwsu wwus wwwk wwwr wwws wwww