-hou a-ha aaaa aaab aaah aaal aaba aabb aabh aabl aaha aahl aala aall aalo aalu aaoo abaa abab abal abau abb- abba abbb abbo abha abho abla ablo aboa abob aboh abol aboo abou abua abul ahab ahah ahal ahau ahha ahla ahlu ahoa ahua alaa alal alao alau alb- alba albo albu alha all- alla allh alll allo allu aloa aloh alol aloo alou alua aoah aoba aola aoul auaa aul- aula aull aulo aulu auol baaa baah baal baba babb babo babu baha bahl baho bahu bala ball balo balu baoh baol bau- baul bbau bbbb bblb bhao bhuu blaa blab blah blau blob bloo blou blub boab boal boba bobb bobo bobu boha bohl boho bohu bola boll bolo bolu boob booh bool boua bouh boul bual buba bubb bubo bubu buha buhl buho bula bulb bull bulu buol haab haal haba habo habu haha haho hal- hala halb hall halo halu hau- haul hhaa hhhh hhla hlah hlul hoba hobo hoha hohl hoho hol- hola holb holh holl holo holu hool huah huba hubb hubl hubo huhu hula hull hulu huub laaa laal laba labo labu laha laho lahu lala lall lalo lalu laou laub laul lhau lhhh llao llll lloa lloo lob- loba lobb lobh lobo loha loho lohu lola loll lolo loob lool louh loul louu luah luau luba luhu lula lull lulu luoh luua oaau oahu oall obal obba obbo obla oblu obol obuh ohal ohau ohba ohho ohob ohoh olah olba olbo olla ollo ooaa ooba ooha ooho oola oolo oooh oooo oula oulu ouu- uaua ubal ubba ubbo ubla ublo uhoh uhuh ulaa ulla ullo ulo- ulua ulul uulu uuuu