a-ak a-be a-do a-ha a-ok aaaa aaab aaac aaad aaae aaah aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aack aaco aada aadc aade aaea aaec aaha aahk aaka aake aaoe aaoo abaa abab abac abad abae abak abb- abba abbb abbe abbo abca abcb abcc abcd abch abda abdo abec abed abee abha abho aboa abob abod aboh abok aboo acaa acab acac acad acae acba acca accc accd acce acch acco acda acdb acdc acde ace- acea acec aced aceh acek acha ache achh acho ackd acke acoa acod acoe acoh adaa adab adac adad adae adah adak adao adba adbc adcc adda addc addd adde addo adea adeb adee adeh adeo adha adhd adho adob adoc adod adoe adok adoo aeac aecb aede aeka ahab ahac ahad ahah ahed ahha ahoa ahod ahoe ahok akaa akae akah akao akca aked akee akha akka akko akok aoah aoba aoca aoce aodh baaa baad baah baak baba babb babe babo bac- baca bacc bace bach back baco bada badb badd bade badh bado baed baek baha baho bak- baka bake bakh bako baoh bbad bbbb bbch bbdd bbdo bbeb bcaa bcbc bcca bccc bcda bcde bcec bchd bche bdbc bddc bddh bead beah beak beba bebb bebe bebo beca bech beck beda bede bedo beeb beed beek beka beke beko beo- beod beok bhao bhca bhcc boab boac boad boak boba bobb bobe bobo boca boce boch bock boco boda bodb bode bodh bodo boea boec boee boeo boha bohd boho boka boke boko boob booc bood booe booh book c-bo c-cd caaa caab caac caah caba cabe cabo cac- caca cacc cace cach cack caco cada cadc cadd cade cado caec caha cahe caka cake caod cbac cbbc cbca cbcc cbce cbdb cbdc cbdo cbea cbec cbee cbha cbka cbko ccaa ccab ccac ccad ccba ccbc ccca cccb cccc ccdc ccdh cced ccee ccha cche ccob ccoc ccod cd-e cdaa cdac cdad cdba cdda cddb cdec ceac cead ceba cec- ceca cece ceco ceda cedd cede cedo ceeb ceec ceke chaa chab chac chad chae chah chak chao chca chce chch chea cheb chec ched chee cheh chek chha chka chkb choc chod choh chok choo ckac ckbc ckbe ckch ckck ckco ckdo ckoa ckob ckoc ckoo coad coak coba cobb cobe cobh cobo coca coce coch cock coco coda codd code coed coha coho cok- coka coke coko coob cood cooh cook d-bo daab daad daae daba dabb dabo daca dace dada dade dado daeb daha dahe daka dake dako dbcc dcbc dcca dccb dccc dcdb dche dddd ddoc deac dead deae deak deba debe dec- deca decc decd dece deck deco deda dedd dede dedo deeb deed deek deha dek- deka deke dekh dhaa dhad dhak dhao dhec dhed dhee dhod dkba dkdc doab doae doak doba dobb dobe doca doce doch dock doco dod- doda dodd dode dodo doea doek doha dohc doka doke doko doob dood dook eaba eabh eaca eacc each eada eadb eadd eaec ebac ebba ebbc ebbo ebcc ebed eboe eboo ecaa ecac ecad ecao ecbc ecbe ecca eccb eccc ecce ecco ecdc eced echa eche echo ecka ecko eco- ecod edac edad edah edca edda eddc edde eddo ede- edea edeh edoc edod eeca eede eeea eeee eeka eeke eeoc ehaa ehcc ehdd ehea eheh eka- ekab ekch ekco ekeb eked ekek ekho ekka ekoa eocd eode eoka haab haad haak haba habe habo hace hack haco hada hade hadh haec haed haha haho haka hake hakk hako hbcd hboc hcbc hcca hccb hccc hcch hdbk hdca hdda hdoc hdod head heah hebb hebe hebo heca hech heck heda hedd hede hedo heeb heed heek hehe heho heka heke hhaa hhhh hkcc hoac hoad hoba hobe hobo hoca hoce hoch hock hoda hode hodh hodk hoed hoek hoha hohe hoho hoka hoke hoko hood hooe hook kaaa kaab kaak kaba kabb kabc kabd kabe kabo kacb kacc kacd kace kach kaco kad- kada kadd kade kado kaeh kaeo kaha kahc kahe kaho kaka kakc kake kakh kakk kako kaoa kaoc kaok kbaa kbab kbac kbad kbae kbak kbba kbbb kbbc kbbd kbbe kbbk kbbo kbca kbcb kbce kbch kbck kbco kbdb kbde kbdo kbeb kbec kbed kbee kbeh kbek kbeo kbhb kbhc kbhe kbhh kbkb kbkk kbko kboa kbob kboc kbod kboe kbok kboo kcaa kcab kcac kcad kcah kcba kcbc kcbd kcbk kcca kccb kccc kccd kcck kcda kcdc kcdd kcea kceb kcec kced kcee kceo kcha kche kchh kchk kcho kckc kckk kcko kcob kcoe kcoh kdaa kdab kdac kdad kdae kdak kdao kdbb kdca kdcc kdcd kdce kdco kddb kddc kddd kddk kdeb kdec kdka kdkb kdkd kdkk kdko kdoc kdoe kdok kea- kead keak keba kebb kebc kebe keca kech keck keco keda kedb kedc kedd kede kedo keed keeh keek kehk keka kekb kekc keke keko keok khab khac khad khak khao khbc khbd khca khcb khcc khch khck khdc khdk kheb khec khed khhk khho khka khke khkk khoa khob khoc khoe khok kkaa kkac kkba kkbb kkbd kkbe kkbo kkcb kkcd kkch kkck kkco kkda kkdc kkdd kkdo kkea kked kkha kkhb kkhh kkhk kkkk kkoa kkob kkoh kkoo koab koac koae koak koba kobb kobc kobe kobk kobo koca kocb kocd koch kock koda kode kodk kodo koea koed koha kohd kohh koho koka kokb kokc koke kokh kokk koko koob kooc kook kooo o-eo oade oahe oake obad obak obba obbo obea obec obed obkb oboe obok ocab ocac ocad ocak ocbc occa occc oce oced ocee ocha oche ocke odac odah odbo odda oddd odea oded odeo odoh odoo oec- oeca oecc oedo oeec ohad ohba ohbe ohcc ohed ohee ohho ohob ohoh ohok okak oked okeh okha okka okko okok ooaa ooak ooba oobe ooda ooha ooho oooh oooo