a-do a-ha aaaa aaac aaad aaah aaca aacc aacd aach aaco aada aadc aagh aaha aaoo acaa acac acad acag acca accc accd acch acco acda acdc acga acha achh acho acoa acod acog acoh adaa adac adad adag adah adao adcc adda addc addd addo adha adhd adho adoc adod adog adoo ag-o agac agad agag agao agca agcc agco agda agga agha agod agog agoo ahac ahad ahah ahha ahoa ahod ahog aoah aoca aodh c-cd caaa caac caah cac- caca cacc cach caco cada cadc cadd cado caga cagg cago caha caod ccaa ccac ccad ccag ccca cccc ccdc ccdh ccga ccgc ccha ccoc ccod cdaa cdac cdad cdda cgac cgcc cgcg chaa chac chad chag chah chao chca chch chgd chha choc chod choh choo coad coag coca coch coco coda codd cogh cogo coha coho cood cooh daad daag daca dada dado daga dagg dagh dago daha dcca dccc dcgo dddd ddoc dgac dgca dhaa dhad dhag dhao dhod doca doch doco dod- doda dodd dodg dodo dog- doga dogg dogh dogo doha dohc dood gach gada gadd gado gaga gagg gago gaha gaoh gc-c gcaa gccc gcda gcoa gdca gggg gghg goad goca goch goda godo goga gogh gogo goha good goog haad haag haco hada hadh hag- haga hagg hagh hago haha haho hcca hccc hcch hcgh hdca hdda hdoc hdod hgah hggc hhaa hhgg hhhh hoac hoad hoag hoca hoch hoda hodh hoga hogg hogh hogo hoha hoho hood ocac ocad occa occc ocga ocha odac odah odda oddd odoh odoo ogdc ogdh ogoa ogod ogog ohad ohcc ohho ohoh ooaa ooda ooha ooho oooh oooo