a-do a-ha aaaa aaac aaad aaah aaal aaca aacc aacd aach aacl aaco aada aadc aaha aahl aala aalc aald aall aalo aaoo acaa acac acad acca accc accd acch acco acda acdc acha achh achl acho acla aclc acoa acod acoh acol adaa adac adad adah adal adao adcc adda addc addd addl addo adha adhd adho adoc adod adoo ahac ahad ahah ahal ahdl ahha ahla ahoa ahod alaa alac alad alal alao alca alcc alco ald- alda aldl aldo alha all- alla allh alll allo aloa aloc alod aloh alol aloo aoah aoca aodh aola c-cd caaa caac caah caal cac- caca cacc cach caco cada cadc cadd cado caha cahl cala calc cald call calo caod caol ccaa ccac ccad ccca cccc cccl ccdc ccdh ccha cchl ccla cclc ccoc ccod cdaa cdac cdad cdda cddl chaa chac chad chah chal chao chca chch chha chlc choc chod choh chol choo clad clcd cldc clod cloo coad coal coca coch coco coda codd codl coha coho col- cola cold coll colo cood cooh cool daad daal daca dada dado daha dahl dala dall dalo dcca dccc dccl dddd ddlc ddoc dhaa dhad dhal dhao dhod dhol dlco dlha doal doca doch doco dod- doda dodd dodo doha dohc dohl dola dold doll dolo dood dool haad haal haco hada hadh hadl haha haho hal- hala hald hall halo hcca hccc hcch hdca hdda hdoc hdod hhaa hhcl hhhh hhla hlah hlod hoac hoad hoca hoch hoda hodh hoha hohl hoho hol- hola holc hold holh holl holo hood hool laaa laac laad laal laca lacc lach lacl laco lada ladd lado laha laho lala lald lall lalo lcac lcad lcca lccc lcdd lchc ldha lhhh llao llcc lldc lllc llll lloa lloc llod lloo loac load loca locc loch loco loda lodh loha loho lola lold loll lolo looc lood lool oall ocac ocad ocal occa occc ocha oclc odac odah odal odda oddd odla odoh odoo ohad ohal ohcc ohho ohoh olac olah olca olcc oldh olla ollo ooaa ooda ooha ooho oola oold oolo oooh oooo