hhhh hhhs hoho hoko hoks hook hoor hoos hork horo horr hors hosh hoss hovk hovs hrhs hros hrso hshs hvhs k-os khhk khho khhs khkk khkr khks khkv khok khor khrk khro khrr khrv khss khsv khvh kkhh kkhk kkhr kkkk kkoh kkoo kkor kkov kkrh kkrk kkro kkrr kkrs kkrv kksr kkss kkvr kkvv kohh koho kohr kohs kokh kokk koko kokr koks kook kooo koor koos koov kork koro korr kors korv kos- kosh koso kosr koss kovk kovo kovr krhs krhv krkh krkk krko krkr krks krkv kroh krok kroo kror kros krov krrk krro krrr krrs krsh krsk krsr krss krsv krvk krvo krvr krvs krvv kshk ksho kshr kshs kshv kskk ksko kskr ksks ksok ksoo ksor ksos ksrh ksro ksrr ksrs ksrv ksso kssr ksss ksvh ksvr kvhs kvoh kvok kvoo kvor kvov kvrh kvro kvrr kvrv kvsh kvso kvsr kvss kvsv kvvr kvvs kvvv ohho ohhs ohoh ohok ohos ohso ohss okko okok okor okro okso ooho oohs oooh oooo ooos orhs orko oro- orok oror oros orro orrs orsk orso orvr orvs osho oshs osoo osor osos osov osro osso ovhs ovo- ovoo rhhs rhoh rhos rkos rkss rksv rohr rohs rokh rokk roko rokr roks rook roor roos rork roro rosh roso ross rovo rovs rrhs rrrr rshs rsos rvhs rvvh s-os shhh shhs shok shoo shor shos shrs skhs skor skov skss sohh soho sohs sokk soko sook soor soos sorh soro sorr sors sosh soso soss sosv sovo sovs srhs sros sshs ssrs sssh ssss svhs svor vhhh vhhs vkor voho voks voor vor- voro vors voso voss vovk vrhs vshs vvhs vvvv