gggg ggss gogo gogs goog gook goor goos gorg goro gorr gors goso goss grog grok groo gror gros grrr grrs grss gsos k-os kggg kggo kggr kgks kgor kgos kgrg kgrk kgro kgrr kgrs kgso kgsr kkgo kkgr kkkk kkoo kkor kkrk kkro kkrr kkrs kksr kkss kogg kogo kokk koko kokr koks koog kook kooo koor koos korg kork koro korr kors kos- kosg koso kosr koss krgs krkk krko krkr krks krog krok kroo kror kros krrg krrk krro krrr krrs krsk krsr krss ksgg ksgr kskg kskk ksko kskr ksks ksok ksoo ksor ksos ksrg ksro ksrr ksrs ksso kssr ksss ogog ogro okgo okko okok okor okro okso oooo ooos orgo orgs orko oro- orok oror oros orro orrs orsk orso osoo osor osos osro osso rkos rkss rogg rogo rokk roko rokr roks roog rook roor roos rork roro roso ross rrrr rsos s-os sggg sggs sgro sgss skog skor skss sogo sogs sokk soko soog sook soor soos sorg soro sorr sors soso soss sros ssgs ssrg ssrs ssss