-hou a-ak a-ha a-ok aaaa aaab aaah aaba aabb aabh aaha aahk aaka aaku aaoo abaa abab abak abau abb- abba abbb abbo abha abho aboa abob aboh abok aboo abou abua abuk ahab ahah ahau ahha ahoa ahok ahua akaa akah akao akha akka akko akku akok akua aoah aoba auaa baaa baah baak baba babb babo babu baha baho bahu bak- baka bakh bako baku baoh bau- bauk bbau bbbb bhao bhuu boab boak boba bobb bobo bobu boha boho bohu boka boko boku boob booh book boua bouh bouk buba bubb bubo bubu buha buho buka bukh bukk buko buku haab haak haba habo habu haha haho haka hakk hako haku hau- hhaa hhhh hkbu hoba hobo hoha hoho hoka hoko hoku hook houk huah huba hubb hubo huhu huub kaaa kaab kaak kaba kabb kabo kabu kaha kaho kahu kaka kakh kakk kako kaku kaoa kaok kau- kaub kauk kauo kbaa kbab kbak kbba kbbb kbbk kbbo kbbu kbhb kbhh kbkb kbkk kbko kboa kbob kbok kboo kbua kbub kbuk kbuu khab khak khao khhk khho khka khkk khoa khob khok khou khub khuk kkaa kkba kkbb kkbo kkha kkhb kkhh kkhk kkkk kkoa kkob kkoh kkoo kkua kkuu koab koak koba kobb kobk kobo kobu koha kohh koho kohu koka kokb kokh kokk koko koku koob kook kooo koou koua koub kouu kuah kuau kuba kubb kubo kubu kuhu kuka kukh kukk kuku kuoa kuok kuoo kuub kuuk kuuu oaau oahu obak obba obbo obkb obok obuh ohau ohba ohho ohob ohoh ohok okak okha okka okko okok ooaa ooak ooba ooha ooho ooku oooh oooo ouu- uaua ubba ubbo uhoh uhok uhuh ukba ukha ukko ukok uuuu