a-a a-b a-c aaa aab aac aad aae aah aao ab- aba abb abc abd abe abh abo ac- aca acb acc acd ace ach aco ad- ada adb adc add ade adh ado aea aeb aec aed aee aeh aeo aha ahb ahc ahd ahe ahh aho aoa aob aoc aod aoe aoh aoo baa bab bac bad bae bah bao bba bbb bbc bbd bbe bbh bbo bca bcb bcc bcd bce bch bco bda bdb bdc bdd bde bdh bdo be- bea beb bec bed bee beh beo bha bhb bhc bhd bhe bhh bho boa bob boc bod boe boh boo c-- caa cab cac cad cae cah cao cba cbb cbc cbd cbe cbh cbo cca ccb ccc ccd cce cch cco cda cdb cdc cdd cde cdh cdo ce- cea ceb cec ced cee ceh ceo ch- cha chb chc chd che chh cho co- coa cob coc cod coe coh coo daa dab dac dad dae dah dao dba dbb dbc dbd dbe dbh dbo dca dcb dcc dcd dce dco dda ddb ddc ddd dde ddh ddo de- dea deb dec ded dee deh deo dh- dha dhb dhc dhd dhe dhh dho doa dob doc dod doe doh doo eaa eab eac ead eae eah eao eba ebb ebc ebd ebe ebh ebo ec- eca ecb ecc ecd ece ech eco ed- eda edb edc edd ede edh edo eea eeb eec eed eee eeo eha ehb ehc ehd ehe ehh eho eo- eoa eob eoc eod eoe eoh eoo haa hab hac had hae hah hao hba hbb hbc hbd hbe hbh hbo hca hcb hcc hcd hce hch hco hda hdb hdc hdd hde hdh hdo he- hea heb hec hed hee heh heo hha hhb hhc hhd hhe hhh hho hoa hob hoc hod hoe hoh hoo oaa oab oac oad oae oah oao ob- oba obb obc obd obe obh obo oc- oca ocb occ ocd och oco oda odb odc odd ode odh odo oea oeb oec oed oee oeh oeo oha ohc ohd ohe ohh oho oo- ooa oob ooc ood ooh ooo

a-be a-do a-ha aaaa aaab aaac aaad aaae aaah aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aaco aada aadc aade aaea aaec aaha aaoe aaoo abaa abab abac abad abae abb- abba abbb abbe abbo abca abcb abcc abcd abch abda abdo abec abed abee abha abho aboa abob abod aboh aboo acaa acab acac acad acae acba acca accc accd acce acch acco acda acdb acdc acde ace- acea acec aced aceh acha ache achh acho acoa acod acoe acoh adaa adab adac adad adae adah adao adba adbc adcc adda addc addd adde addo adea adeb adee adeh adeo adha adhd adho adob adoc adod adoe adoo aeac aecb aede ahab ahac ahad ahah ahed ahha ahoa ahod ahoe aoah aoba aoca aoce aodh baaa baad baah baba babb babe babo bac- baca bacc bace bach baco bada badb badd bade badh bado baed baha baho baoh bbad bbbb bbch bbdd bbdo bbeb bcaa bcbc bcca bccc bcda bcde bcec bchd bche bdbc bddc bddh bead beah beba bebb bebe bebo beca bech beda bede bedo beeb beed beo- beod bhao bhca bhcc boab boac boad boba bobb bobe bobo boca boce boch boco boda bodb bode bodh bodo boea boec boee boeo boha bohd boho boob booc bood booe booh c-bo c-cd caaa caab caac caah caba cabe cabo cac- caca cacc cace cach caco cada cadc cadd cade cado caec caha cahe caod cbac cbbc cbca cbcc cbce cbdb cbdc cbdo cbea cbec cbee cbha 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 chaa chab chac chad chae chah chao chca chce chch chea cheb chec ched chee cheh chha choc chod choh choo coad coba cobb cobe cobh cobo coca coce coch coco coda codd code coed coha coho coob cood cooh d-bo daab daad daae daba dabb dabo daca dace dada dade dado daeb daha dahe dbcc dcbc dcca dccb dccc dcdb dche dddd ddoc deac dead deae deba debe dec- deca decc decd dece deco deda dedd dede dedo deeb deed deha dhaa dhad dhao dhec dhed dhee dhod doab doae doba dobb dobe doca doce doch doco dod- doda dodd dode dodo doea doha dohc doob dood 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 eco- ecod edac edad edah edca edda eddc edde eddo ede- edea edeh edoc edod eeca eede eeea eeee eeoc ehaa ehcc ehdd ehea eheh eocd eode haab haad haba habe habo hace haco hada hade hadh haec haed haha haho hbcd hboc hcbc hcca hccb hccc hcch hdca hdda hdoc hdod head heah hebb hebe hebo heca hech heda hedd hede hedo heeb heed hehe heho hhaa hhhh hoac hoad hoba hobe hobo hoca hoce hoch hoda hode hodh hoed hoha hohe hoho hood hooe o-eo oade oahe obad obba obbo obea obec obed oboe ocab ocac ocad ocbc occa occc oce oced ocee ocha oche odac odah odbo odda oddd odea oded odeo odoh odoo oec- oeca oecc oedo oeec ohad ohba ohbe ohcc ohed ohee ohho ohob ohoh ooaa ooba oobe ooda ooha ooho oooh oooo

-aaa- -abad a-dec aaaah aaace aaadc aaaee aaaoc aabaa aabba aacbc aadac aahaa aahed abaab ababa ababe abaca abaco abada abade abbac abbad abbed abbod abccc abcdb abcde abcho abead abeba abebe abece abede abedo abeed aboab aboad abobo abode abodh aboha abood acaca acacb accad acced accho aceae acebo acedb acedo achab achao ached achee achoo acoda acode adaba adabe adada adado addae addah addea added addha adead adeco