a-do a-ha a-wa aaaa aaac aaad aaae aaah aaca aacc aacd aace aach aaco aada aadc aade aaea aaec aaha aaoe aaoo aaow aaww acaa acac acad acae acca accc accd acce acch acco acda acdc acde ace- acea acec aced aceh acha ache achh acho acoa acod acoe acoh acow acwa acww adaa adac adad adae adah adao adaw adcc adda addc addd adde addo adea adee adeh adeo adew adha adhd adho adoc adod adoe adoo adwa aeac aede ahac ahad ahah ahed ahha ahoa ahod ahoe ahwa aoah aoca aoce aodh aowd awac awad awae awe- awed awee awho awoo awow awwa c-cd caaa caac caah cac- caca cacc cace cach caco cacw cada cadc cadd cade cado cadw caec caha cahe caod ccaa ccac ccad ccca cccc ccdc ccdh cced ccee ccha cche ccoc ccod ccow cd-e cdaa cdac cdad cdda cdec ceac cead cec- ceca cece ceco ceda cedd cede cedo ceec cewa cewe chaa chac chad chae chah chao chaw chca chce chch chea chec ched chee cheh chew chha choc chod choh choo chow chwo coad coca coce coch coco coda codd code coed coha coho cood cooh cowd cowe cowh cwac daad daae daca dace dada dade dado daha dahe dawa dawd dawe dawo dcca dccc dche dddd ddoc deac dead deae deaw dec- deca decc decd dece deco deda dedd dede dedo deed deha dewa dewe dhaa dhad dhao dhaw dhec dhed dhee dhod dhow doae doca doce doch doco dod- doda dodd dode dodo doea doha dohc dood dowa dowd dowe dwac dwad dwcw dwdd dwec dwwe dwww eaca eacc each eada eadd eaec ecaa ecac ecad ecao ecca eccc ecce ecco ecdc eced echa eche echo eco- ecod ecwa edac edad edah edaw edca edda eddc edde eddo ede- edea edeh edoc edod eeca eede eeea eeee eeoc eewh ehaa ehcc ehdd ehea eheh ehow ehwa eocd eode ewah ewew haad hace haco hada hade hadh haec haed haha haho hawa hawc hawe hcaw hcca hccc hcch hdca hdda hdoc hdod hdwd hdwe head heah heaw heca hech hecw heda hedd hede hedo heed hehe heho heow hewe hhaa hhhh hoac hoad hoca hoce hoch hoda hode hodh hoed hoha hohe hoho hood hooe howa howd howe howh o-eo oade oahe ocac ocad occa occc oce oced ocee ocha oche odac odah odda oddd odea oded odeo odoh odoo oec- oeca oecc oedo oeec ohad ohaw ohcc ohed ohee ohho ohoh ohow ohwe ooaa ooda ooha ooho oooh oooo owch owda owea owed owoe owoh owow owwa waaa waac waad waah waao waaw waca wacc wacd wace wach waco wada wadc wadd wade wadh wado waec waed waee waew waha wahe waoc waoe waoh waoo waow wawa wawc wawd wawe wawo wcad wcae wcao wcca wccc wccd wcce wcch wcco wccw wcda wcdc wcdd wcde wcdo wcdw wcec wced wcee wceh wceo wcha wchc wchd wche wcho wcoa wcoc wcoe wcoh wcoo wcwa wcwc wdac wdad wdae wdao wdca wdcc wdcd wdce wdco wdcw wddc wddd wdde wddh wddo wddw wdea wdec wded wdeh wdeo wdhc wdoc wdod wdoe wdoh wdow wdwd weaa weac wead weah weao weca wecc wech weco wecw weda wedc wedd wede wedh wedo wedw weec weed weeo weha wehc wehh weoa weod weow wewc wewe wewo whaa whac whad whae whaw whca whcc whce whco whdd whdh whdw whea whec whed whee wheo whew whhd whhh whho whhw whoa whod whoe whoo whow whwa whwc whwh woaa woad woah woca wocc woce woch woco woda wodc wodd wode woed woha wohc wohe wooc wood woow wowc wowe wowo woww wwac wwca wwcd wwch wwco wwcw wwdc wwdw wwea wwec wweo wwho wwod wwow wwwa wwwc wwwe wwwh wwww