a-do a-ha aaaa aaac aaad aaaf aaah aaal aaca aacc aacd aacf aach aacl aaco aada aadc aafa aafc aafd aaff aafl aaha aahl aala aalc aald aall aalo aaoo acaa acac acad acca accc accd accf acch acco acda acdc acdf acfc acfd acfl acha achh achl acho acla aclc acoa acod acoh acol adaa adac adad adah adal adao adcc adda addc addd addl addo adfa adfc adfl adha adhd adho adoc adod adoo afaa afad afao afca afcc afch afdc afdl affa affc affo afla aflc afoa afol afoo ahac ahad ahah ahal ahdl ahfa ahha ahla ahoa ahod alaa alac alad alal alao alca alcc alco ald- alda aldl aldo alfa alha all- alla allh alll allo aloa aloc alod alof aloh alol aloo aoah aoca aodh aola c-cd caaa caac caaf caah caal cac- caca cacc cach caco cada cadc cadd cado cafa cafc caff cafl caha cahl cala calc cald calf call calo caod caol ccaa ccac ccad ccaf ccca cccc cccf cccl ccdc ccdf ccdh ccfa ccfc ccfd ccff ccfl ccha cchl ccla cclc ccoc ccod cdaa cdac cdad cdda cddl cdfa cfaa cfac cfao cfca cfcf cfcl cfco cfda cfoa chaa chac chad chaf chah chal chao chca chch chfa chfc chha chlc choc chod choh chol choo clad claf clcd cldc clod clof cloo coad coal coca coch coco coda codd codl cofc coff coha coho col- cola cold coll colo cood coof cooh cool daad daal daca dada dado dafa dafc daff dafo daha dahl dala dalf dall dalo dcca dccc dccl dcfc dddd ddlc ddoc dfaf dfcc dfco dffa dhaa dhad dhal dhao dhfc dhod dhol dlco dlha doal doca doch doco dod- doda dodd dodo doff doha dohc dohl dola dold dolf doll dolo dood doof dool faaa faac faad faah faca facc fach fada fadd fado fafa fafc faff fafo faha fahd fala falc fald fall falo fcal fcca fccf fcch fcda fdca fdoa fdoc ffcc ffff flac flad flao flcl floc flod floo foad foaf foal foca foch foco foda fofo fola folc fold foll folo food foof fool haad haaf haal haco hada hadf hadh hadl hafd haff haha haho hal- hala hald half hall halo hcca hccc hcch hcfa hcfc hdca hdda hdfc hdoc hdod hhaa hhcl hhhh hhla hhof hlah hlod hoac hoad hoca hoch hoda hodh hoff hoha hohl hoho hol- hola holc hold holh holl holo hood hoof hool laaa laac laad laal laca lacc lach lacl laco lada ladd lado lafc laff laha laho lala lald lall lalo lcac lcad lcca lccc lcdd lcfc lchc ldcf ldha lfca lfcc lhhh llao llcc lldc lllc llll lloa lloc llod lloo loac load loaf loca locc loch loco loda lodh lofa loff loha loho lola lold loll lolo looc lood loof lool oafc oafo oall ocac ocad ocal occa occc ocfa ocha oclc odac odah odal odda oddd odla odoh odoo ofah ofcl off- offa offc offh offo ofla ohad ohal ohcc ohho ohoh olac olaf olah olca olcc oldh olfa olla ollo olof ooaa ooda ooff ooha ooho oola oold oolo oooh oooo