h-ii hhhh hhhs hihi hiho hiis hiki hiri hirk hiro hirs hish hiss hkir hkis hoho hoik hoir hois hoki hoko hoks hook hoor hoos hori hork horo horr hors hosh hoss hrhs hros hrso hshs hski ihis ihss iiii iiio iiis iioi iioo iios iirs iisi iisr ikki ikko ikoo ikri ioii ioio ioko iooi iooo ioos iori iors ioso irhs iri- irio iris irki irks iroh irri irrs ishi ishk ishr ishs isis isko iso- isok isor isos isri issh issi isso issr isss k-os khhk khho khhs khii khio khis khki khkk khkr khks khoi khok khor khri khrk khro khrr khsi khss kihh kihi kihk kiho kihr kihs kiii kiik kiis kiki kikk kiko kikr kioh kioi kiok kioo kiri kirk kiro kirr kirs kish kisi kisk kiso kisr kiss kkhh kkhi kkhk kkhr kkik kkkk kkoh kkoo kkor kkrh kkrk kkro kkrr kkrs kksi kksr kkss kohh kohi koho kohr kohs koii koir kokh koki kokk koko kokr koks kooi kook kooo koor koos kori kork koro korr kors kos- kosh kosi koso kosr koss krhs krik krio kris krkh krki krkk krko krkr krks kroh kroi krok kroo kror kros krri krrk krro krrr krrs krsh krsk krsr krss kshi kshk ksho kshr kshs ksii ksik ksir ksis kskk ksko kskr ksks ksoi ksok ksoo ksor ksos ksrh ksro ksrr ksrs kssi ksso kssr ksss ohhi ohho ohhs ohio ohis ohoh ohok ohos ohso ohss oiii oiko oiks oios okir okko okok okor okro oksi okso ooho oohs oooh oooo ooos oosi orhs ori- orio oris orko oro- orok oror oros orri orro orrs orsi orsk orso oshi osho oshs osii osik osis oski osoi osoo osor osos osro ossi osso rhhs rhio rhoh rhos riho rihs riis riki rikk rios riri rirs rish risi risk riso riss rkos rkss rohr rohs roik roio roir rois rokh roki rokk roko rokr roks rooi rook roor roos rori rork roro rosh rosi roso ross rrhs rrrr rshs rsis rsos s-ii s-os shhh shhs shih shii shik shio shir shis shok shoo shor shos shri shrs sihi sihk sihr sihs siik sikh siki siko sikr siks sior sios siri sirk siro sirr sirs sish sisi sisk siss skhs skik skio skir skis skor skss sohh soho sohs soik soir sois soki sokk soko sook soor soos sorh sori soro sorr sors sosh sosi soso soss srhs sris sros sshs ssis ssri ssrs sssh sssi ssss