f--k ffff ffss flok floo flos flow fofo folk foll folo fols foof fook fool foos foso foss fowk fowl fsfo fssf k-lo k-os kfff kffk kflf kfll kflo kfls kflw kfok kfoo kfsk kfsw kkfs kkkk kklf kkll kklo kkls kkol kkoo kkow kksf kkss kksw kkwf kkwk kkws klff klkk klkl klko klks kllk klls klok klol kloo klos klow klsf klsw klwl klwo klws koff kofk kofo kokf kokk koko koks kolf kolk koll kolo kols kolw kook kool kooo koos kos- kosf koso koss kowl ksfo kskf kskk ksko ksks kslk ksll kslo ksof ksok ksol ksoo ksos ksow kssl ksso ksss kswf kswo ksws ksww kwfl kwfs kwkk kwkw kwlf kwlk kwls kwof kwok kwol kwos kwow kwsk kwsl kwso kwss kwsw kwwf kwwk kwwl kwws lkfs llks llll lloo loff lokk loko loll lolo lols loof look lool loos loso loss lowk lowl lows loww lsfw lsof lsso lwoo lwow off- offo offs okko oklo okok okol okso olfs ollo olof olos ooff oofs oolo oooo ooos oslo osoo osos osow osso owlk owls owow s-os sfls sfos sfss skol skow skss skws sloo slos slow sofo sokk soko solf solk soll solo sols soof sook sool soos soso soss sowf sowk sowl sows ssfl sssf ssss ssws swoo swow swss wfff wfkl wfks wflf wflk wfll wflo wfls wflw wfos wfso wfss wfwl wfwo wkff wkfl wkfs wkkf wkkl wkko wkks wkkw wklk wkll wklo wkls wkok wkol wkoo wkos wkow wksf wksk wksl wkso wkss wksw wkwf wkwl wkws wlff wlfk wlfl wlfs wlfw wlkf wlkk wlkl wlko wlks wlkw wllf wlll wllw wlof wlok wlol wloo wlos wlsk wlso wlss wlsw wlwf wlwk wlwl woff wofl wokk wokl woko woks wokw wolf wolk woll wols wolw woof wook wool woos woow wosf wosl woso woss wosw wowf wowl wowo wows woww wsff wsfl wsfs wsfw wskk wskl wsko wskw wslk wsll wslo wslw wsof wsok wsol wsoo wsos wssl wsss wssw wsws wsww wwfl wwfw wwkf wwkl wwks wwlf wwlk wwll wwls wwlw wwof wwol wwos wwow wwsf wwsk wwsl wwss wwwk wwwl wwws wwww