-hou a-ha aaaa aaab aaac aaah aaal aaba aabb aabc aabh aabl aaca aacb aacc aach aacl aaco aacu aaha aahl aala aalc aall aalo aalu aaoo abaa abab abac abal abau abb- abba abbb abbo abca abcb abcc abch abcl abha abho abla ablo aboa abob aboh abol aboo abou abua abul acaa acab acac acba acbl acca accc acch acco accu acha achh achl acho achu acla aclc aclu acoa acoh acol acou acu- acul acuo ahab ahac ahah ahal ahau ahha ahla ahlu ahoa ahua alaa alac alal alao alau alb- alba albc albo albu alca alcc alco alha all- alla allh alll allo allu aloa aloc aloh alol aloo alou alua aoah aoba aoca aola aoul auaa auca auch aul- aula aull aulo aulu auol baaa baah baal baba babb babo babu bac- baca bacc bach baco baha bahl baho bahu bala balc ball balo balu baoh baol bau- baul bbau bbbb bbch bblb bcaa bcbc bcca bccc bccl bcuc bhao bhca bhcc bhuu blaa blab blac blah blau blcu blob bloc bloo blou blub boab boac boal boba bobb bobo bobu boca boch boco bocu boha bohl boho bohu bola boll bolo bolu boob booc booh bool boua bouh boul bual buba bubb bubo bubu buca bucc buch buco bucu buha buhl buho bula bulb bull bulu buol c-bo caaa caab caac caah caal caba cabo cabu cac- caca cacc cach caco caha cahl cala calc call calo calu caol cauc caul cauo cbac cbal cbbc cbca cbcc cbcl cbcu cbha cbhl cblb cblc cbol ccaa ccab ccac ccba ccbc ccca cccb cccc cccl cccu ccha cchl ccla cclc ccob ccoc ccuc chaa chab chac chah chal chao chau chca chch chha chlc choc choh chol choo chou chua chub chul clab clau clob cloo clou club cluh coal coba cobb cobh cobo cobu coca coch coco cocu coha coho col- cola colb coll colo colu coob cooh cool coua coub coul cuau cub- cuba cubb cuca cucc cula culb culc cull culo haab haal haba habo habu haco haha haho hal- hala halb hall halo halu hau- haul hboc hcbc hcca hccb hccc hcch hhaa hhcl hhhh hhla hlah hlul hoac hoba hobo hoca hoch hoha hohl hoho hol- hola holb holc holh holl holo holu hool huac huah huba hubb hubl hubo huch hucu huhu hula hulc hull hulu huub laaa laac laal laba labo labu laca lacc lach lacl laco lacu laha laho lahu lala lall lalo lalu laou laub laul lbcc lcac lcbc lcca lccc lchc lhau lhhh llao llcc lllc llll lloa lloc lloo loac lob- loba lobb lobh lobo loca locc loch loco locu loha loho lohu lola loll lolo loob looc lool louh loul louu luah luau luba luca luch luhu lula lull lulu luoh luua oaau oahu oall obal obba obbo obla oblu obol obuh ocab ocac ocal ocbc occa occc ocha oclc ocul ohal ohau ohba ohcc ohho ohob ohoh olac olah olba olbo olca olcc olla ollo ooaa ooba ooha ooho oola oolo oooh oooo ouac oucc ouch oula oulu ouu- uabc uaca uaoc uaua ubac ubal ubba ubbo ubla ublo uboc ucal ucbc ucca ucha ucho ucla ucua uhcl uhoh uhuh ulaa ulbc ulcc ulch ulco ulla ullo ulo- uloc ulua ulul uocc uolc uulu uuoc uuuu