a-ak a-ha a-ok aaaa aaah aaar aaav aaha aahk aaka aaoo aara aaro aava ahah ahar ahha ahoa ahok ahor ahra ahrr ahva akaa akah akao akar akha akka akko akok akr- akra aoah aora arah arak arar arh- arka arkh arko aroa aroo aror arr- arra arrh arrk arro arrr arva arvo avao avar avor avra avro avva avvo haak haar haha haho haka hakk hako haor hara harh hark haro harr harv hava hhaa hhhh hoar hoha hoho hoka hoko hook hoor hora hork horo horr hova hovk hvar kaaa kaak kaar kaha kaho kahr kaka kakh kakk kako kaoa kaok kaor kara kark karo karr karv kava kavh kavo kavv khak khao khar khav khhk khho khka khkk khkr khkv khoa khok khor khra khrk khro khrr khrv khvh kkaa kkar kkha kkhh kkhk kkhr kkkk kkoa kkoh kkoo kkor kkov kkrh kkrk kkro kkrr kkrv kkvr kkvv koak koar koha kohh koho kohr koka kokh kokk koko kokr kook kooo koor koov kora kork koro korr korv kova kovk kovo kovr krah krak krar krav krhv krka krkh krkk krko krkr krkv kroa kroh krok kroo kror krov krrk krro krrr krva krvk krvo krvr krvv kvah kvak kvar kvoa kvoh kvok kvoo kvor kvov kvra kvrh kvro kvrr kvrv kvvr kvvv oara ohho ohoh ohok ohra okak okha okka okko okok okor okra okro ooaa ooak ooha ooho oooh oooo oora orah orak orao orar orav orka orko oro- orok oror orra orro orvr ovar ovo- ovoo ovra raak raha rahr raka rakk raoh raok rara rark raro rava rhoa rhoh roak roar roha rohr roka rokh rokk roko rokr rook roor rora rork roro rova rovo rrah rrrr rvvh vaar vaho vaka vara vark varr vava vhhh vkor voar voho voka voor vor- vora voro vovk vrak vrav vvvv