-ous k-os kkkk kkoo kkor kkot kkow kkpk kkps kkpt kkrk kkro kkrr kkrs kkrt kksp kksr kkss kkst kksu kksw kktk kkts kktu kkup kkus kkut kkuu kkwk kkws kokk koko kokp kokr koks koku kook kooo koop koor koos koot koou kopp kopr kops kopt kopu kopw kork koro korr kors kort koru kos- koso kosp kosr koss kost kosu kotk koto kotr kots kott kotu kour kous kout kouu kouw kowr kpkk kpkr kpok kpoo kpop kpou kpow kppk kppo kppp kppr kppw kprk kpro kprp kprr kprs kprt kpru kprw kpso kpsp kpsu kpto kptr kpts kptt kptw kpur kpus kpwk kpwr kpwt kpww krkk krko krkr krks krku krkw krok kroo krop kror kros krow krpr krps krpt krpu krrk krro krrr krrs krrt krrw krsk krsr krss krst krsu krsw krtk krto krtr krts kruk krup krur krwk krwp krwr kskk ksko kskr ksks ksku ksok ksoo ksop ksor ksos ksou ksow kspk kspo kspr ksps kspt kspw ksro ksrp ksrr ksrs ksrt ksrw ksso kssr ksss ksst kssu kstk ksto kstp kstr ksts kstt kstu kstw ksup ksut ksuu ksuw kswo kswp ksws kswt ksww ktkk ktko ktkr ktks ktkt ktku ktok ktoo ktop ktor ktot ktpk ktpo ktpr ktpt ktrk ktro ktrp ktrr ktrs ktrt ktru ktrw ktso ktsr ktst ktsu ktsw kttk ktto kttp kttr ktts kttt kttu kttw ktuw ktwo ktws ktwu kukk kuks kuku kuok kuoo kuop kuos kuow kupr kups kupt kupu kurk kuro kurr kurs kurt kuru kuso kusp kust kusu kusw kuto kutp kutr kuts kutt kutu kuuk kuur kuuu kuwp kuwr kuws kuwt kuww kwkk kwkr kwkw kwok kwor kwos kwow kwpt kwpw kwrk kwro kwrp kwrr kwrs kwrt kwru kwrw kwsk kwso kwss kwst kwsu kwsw kwto kwtr kwts kwtu kwtw kwur kwut kwwk kwwr kwws kwwt okko okok okor okot okpo okro okso okto okur okus ooku oooo ooos oops oort oost ootp oots ootw oous opo- opor opos oppo opps opsu opto opts opus orko oro- orok oror oros orot orps orro orrs orsk orso orsu orto orts orup orus orwo osku osoo osor osos osow osro osso ossu ostr osts oto- otok otoo otor otos otow otpp otpw otro otrs otso otsu otto otts ottu otur otus otwo our- ouro ours ourt oust out- outo outs ouu- owow owt- owtt owur pkts poko poku pook poop poor poos poot pop- popo popp pops popt pork poro porr pors port posk poso poss post poto pots pott potu potw pouk poup pour pous pout pouw powk powp powr pows powt ppos pppo pppp ppps ppru ppss ppts pptt ppur pro- proo prop pros prot prou prow prps prrs prso prss prtp prtr prus prut pruu psos psou pspp pspr psps psrk psrp psso psst psts pstu ptop pttk puku pups pupu pur- puro purp purr purs puru pusk puss pust put- puto puts putt putu pwts rkos rkss rkts rokk roko rokr roks roku rook roop roor roos root ropo rops rork roro rort roru roso rosp ross rost rotk roto rotr rots rott rouk roup rous rout rowk rowp rowr rows rowt roww rpos rpps rpts rrrr rrsp rsos rspk rspo rsps rstp rsts rstu rtps rtss rttp rtts rukk ruku ruok rupp rupt ruro rurp rurs ruru rusk ruso russ rust rusu ruto ruts rutt rutu s-os skop skor skot skow skpo skrt skss skup skur skut skws sokk soko soku sook soop soor soos soot sopo sopp sops sopu soro sorr sors sort soru soso soss sost sotk soto sotp sots sotu sotw souk soup sour sous sout sowk sowp sowr sows sowt spkr spok spoo spop spor spos spot spps spro sprs spso spsp spss spst spto sptr spts spur spus sput sros srps srpt srsp srtp srtr ssop ssot sspo ssps sspt ssrs ssss sstp ssts ssws stks stok stoo stop stor stos stot stou stow stpp stps strk stro strs stru stss sttr stuk stup stur stus stut suks suku suor suos sup- supo supp supr sups supt sur- suro surp surr surs surt suru sus- susk suso susp suss sust susu suto sutu suus suwu swoo swop swor swot swow swss swts tkos tkts toko toku took toor toos toot top- topo topp tops topt topu tork toro torp torr tors tort toru tosk toso toss tost tosu toto totr tots tott touk toup tour tous tout towk tows tpks tppp tppr tprs tprw tptp tptr tput tpws troo trop tros trot trou trow trpp trps trst trtr truk trus trut truu tsks tsop tsos tsou tspo tsps tspt tssr tsst tsts tsup ttop ttss tttt tuko tuks tuor tuos tupo tups tupu turk turo turp turr turs turt turu tusk tuss tust tuto tuts tutt tutu tuuo two- twoo twop twos twot twps twrp twss u-rp ukko ukok ukps uksw ukup ukur uor- upor upos uppp uppu upto upup uro- urok uroo urpo urso urss ursu urts uruk urup urur urus urut us-k usos uspo uspp usps ussr usss usst ussu usto ustp usts usus utor utto uttu utwo uuuu uwsp wkko wkkp wkkr wkks wkkt wkkw wkok wkoo wkor wkos wkot wkow wkpk wkpo wkpr wkps wkpt wkpw wkrk wkro wkrp wkrr wkrs wkrt wkru wksk wkso wksp wksr wkss wkst wksu wksw wktk wkto wktp wktr wkts wktt wktu wkws wokk woko wokr woks woku wokw wook woop woos woot woow wopp wops work woro worp worr wors wort worw woso wosp woss wost wosu wosw wotr wots wott wotw wouk woup wour wous wout wouw wowo wowp wows wowt woww wpko wpkr wpok wpop wpor wpot wpow wppr wppt wprk wpro wprp wprr wprs wprt wpso wpsp wpsr wpst wpsu wptk wptr wptw wpup wpur wput wpwt wrkk wrko wrkr wrks wrkt wrku wrkw wrok wroo wrop wros wrot wrow wrpp wrpr wrps wrpw wrrk wrro wrrs wrrw wrso wrsr wrss wrsw wrto wrtp wrtr wrts wrtu wrtw wrup wrus wrwr wskk wsko wskp wskr wsku wskw wsok wsoo wsop wsor