k-os kkkk kkmk kkmo kkms kkmv kkmy kkoo kkov kkoy kksm kkss kkvm kkvv kkys kkyy kmkk kmko kmks kmkv kmky kmmk kmmm kmmo kmms kmmy kmok kmom kmov kmoy kmso kmss kmvk kmyk kmyo kmys kmyy kokk koko koks koky komo koms komy kook kooo koos koov kos- koso koss kosy kovk kovo koyo koyy kskk ksko ksks ksky ksmm ksmo ksms ksmy ksok ksom ksoo ksos kssm ksso ksss ksvy ksyv ksyy kvmo kvmv kvok kvom kvoo kvov kvso kvss kvsv kvvs kvvv kykk kykm kyks kykv kyky kym- kymo kyms kymv kyok kyoo kyos kyoy kysk kysm kyyk kyym kyyo kyys kyyy mkks mksm mmmm mmms mmyy moko moky momo moms momy mook moos moov mosk moso moss mosy moyo msmm msms mssm msvs mymy myo- myos mys- myss myys okko okmo okok okom okso okym okyo omo- omoo omov omsk ooky ooms oooo ooos osm- osmo osoo osos osov osso ossy ovms ovo- ovoo oyss s-os skov skss sky- skys skyy smok smos smoy smss smyk sokk soko somm somo somy sook soom soos sooy soso soss sosv sovo sovs soyo soys sssm ssss ssvm svoy sym- syms syso syss syyk vmos voks voky voms voom voso voss vovk voys vvvv vyos vyso vyss ykko yoko yoks yoky yomo yook yoso yoyo yyyy