a-ak a-ha a-ok aaaa aaah aaav aaha aahk aaka aaoo aava ahah ahha ahoa ahok ahva akaa akah akao akha akka akko akok aoah avao avva avvo haak haha haho haka hakk hako hava hhaa hhhh hoha hoho hoka hoko hook hova hovk kaaa kaak kaha kaho kaka kakh kakk kako kaoa kaok kava kavh kavo kavv khak khao khav khhk khho khka khkk khkv khoa khok khvh kkaa kkha kkhh kkhk kkkk kkoa kkoh kkoo kkov kkvv koak koha kohh koho koka kokh kokk koko kook kooo koov kova kovk kovo kvah kvak kvoa kvoh kvok kvoo kvov kvvv ohho ohoh ohok okak okha okka okko okok ooaa ooak ooha ooho oooh oooo ovo- ovoo vaho vaka vava vhhh voho voka vovk vvvv