k-os kkkk kkoo kkot kkow kkoz kkss kkst kksw kktk kkts kktz kkwk kkws kkzz kokk koko koks kokz kook kooo koos koot kooz kos- koso koss kost kosz kotk koto kots kott kotz kowz kozk kozo kozt kskk ksko ksks kskz ksok ksoo ksos ksow ksso ksss ksst kssz kstk ksto ksts kstt kstw kstz kswo ksws kswt ksww ktkk ktko ktks ktkt ktkz ktok ktoo ktot ktso ktst ktsw kttk ktto ktts kttt kttw kttz ktwo ktws ktzk ktzo ktzt ktzz kwkk kwkw kwkz kwok kwos kwow kwoz kwsk kwso kwss kwst kwsw kwto kwts kwtw kwwk kwws kwwt kzks kzkz kzoo kzot kzoz kzst kztk kzts kzzk kzzo kzzs kzzt kzzz okko okok okot okso okto oooo ooos oost oots ootw osoo osos osow osso osts oto- otok otoo otos otow otso otto otts otwo owow owt- owtt s-os skot skow skss skws sokk soko sook soos soot soso soss sost sotk soto sots sotw sowk sows sowt soz- ssot ssss ssts ssws stks stok stoo stos stot stow stss swoo swot swow swss swts szot szss tkos tkts toko took toos toot tosk toso toss tost toto tots tott towk tows tozo tsks tsos tsst tsts ttss tttt two- twoo twos twot twss tzzt wkko wkks wkkt wkkw wkkz wkok wkoo wkos wkot wkow wkoz wksk wkso wkss wkst wksw wksz wktk wkto wkts wktt wktz wkws wkwz wkzk wkzo wkzs wkzw wkzz wokk woko woks wokw wokz wook woos woot woow wooz woso woss wost wosw wots wott wotw wowo wows wowt woww wowz wozk wozz wskk wsko wskw wskz wsok wsoo wsos wsss wsst wssw wstk wsto wsts wstt wstw wsws wswt wsww wtkk wtks wtkt wtkw wtok wtot wtow wtsk wtso wtss wtto wtts wttt wttw wtwk wtwo wtws wtwt wtww wtwz wwks wwkz wwos wwot wwow wwoz wwsk wwss wwst wwtk wwtw wwwk wwws wwww wwwz wwzw wwzz wzko wzks wzkt wzkw wzkz wzok wzoo wzot wzoz wzsk wzst wztk wzww wzwz wzzo wzzs wzzt wzzw wzzz zoo- zook zoos zoot zoso zoss zots zott zotz zozo zsss ztst zwoz zzzs zzzz