a-ak a-ha a-ok aaaa aaab aaah aaba aabb aabh aaha aahk aahz aaka aaoo abaa abab abak abb- abba abbb abbo abha abho aboa abob aboh abok aboo abza ahab ahah ahaz ahha ahoa ahok akaa akah akao akha akka akko akok aoah aoba aza- azab azaz azo- azoo azza azzo baaa baah baak baaz baba babb babo baha baho bak- baka bakh bako baoh baza bazo bbbb bhao boab boak boaz boba bobb bobo boha boho boka boko boob booh book booz boza bozo bzzz haab haak haba habo haha haho haka hakk hako haza hhaa hhhh hoba hobo hoha hoho hoka hoko hook hozo hzak kaaa kaab kaak kaba kabb kabo kabz kaha kaho kahz kaka kakh kakk kako kaoa kaok kaza kazo kazz kbaa kbab kbak kbaz kbba kbbb kbbk kbbo kbbz kbhb kbhh kbkb kbkk kbko kbkz kboa kbob kbok kboo kboz kbzo kbzz khab khak khao khaz khbz khhk khho khhz khka khkk khkz khoa khob khok khoz khzk khzz kkaa kkba kkbb kkbo kkbz kkha kkhb kkhh kkhk kkkk kkoa kkob kkoh kkoo kkoz kkzz koab koak koaz koba kobb kobk kobo koha kohh koho koka kokb kokh kokk koko kokz koob kook kooo kooz koza kozb kozk kozo kzaz kzbb kzbk kzbz kzhk kzkz kzoo kzoz kzza kzzb kzzk kzzo kzzz obak obba obbo obkb obok ohba ohho ohob ohoh ohok okak okaz okha okka okko okok ooaa ooak ooba ooha ooho oooh oooo zaba zabo zaha zaho zaka zakk zaza zhao zhoa zhob zobo zoo- zook zoza zozo zzhz zzzz