a-a a-b a-c aaa aab aac aae aah aak aao ab- aba abb abc abe abh abk abo ac- aca acb acc ace ach ack aco aea aeb aec aee aeh aek aeo aha ahb ahc ahe ahh ahk aho aka akb akc ake akh akk ako aoa aob aoc aoe aoh aok aoo baa bab bac bae bah bak bao bba bbb bbc bbe bbh bbk bbo bca bcb bcc bce bch bck bco be- bea beb bec bee beh bek beo bha bhb bhc bhe bhh bhk bho bka bkb bkc bke bkk bko boa bob boc boe boh bok boo c-- caa cab cac cae cah cak cao cba cbb cbc cbe cbh cbk cbo cca ccb ccc cce cch cck cco ce- cea ceb cec cee ceh cek ceo ch- cha chb chc che chh chk cho cka ckb ckc ckh cko co- coa cob coc coe coh cok coo eaa eab eac eae eah eak eao eba ebb ebc ebe ebh ebk ebo ec- eca ecb ecc ece ech eck eco eea eeb eec eee eek eeo eha ehb ehc ehe ehh eho eka ekb ekc eke ekh eko eo- eoa eob eoc eoe eoh eok eoo haa hab hac hae hah hak hao hba hbb hbc hbe hbh hbk hbo hca hcb hcc hce hch hck hco he- hea heb hec hee heh hek heo hha hhb hhc hhe hhh hhk hho hka hkb hkh hkk hko hoa hob hoc hoe hoh hok hoo ka- kaa kab kac kae kah kak kao kba kbb kbc kbe kbh kbk kbo kca kcb kcc kce kch kck ke- kea keb kec kee keh kek keo kha khe khh khk kho kkb kkc kke kkh kkk koa kob koc koe koh kok koo oaa oab oac oae oah oak oao ob- oba obb obc obe obh obk obo oc- oca ocb occ och ock oco oea oeb oec oee oeh oeo oha ohc ohe ohh oho oka okb okc oke okk oko oo- ooa oob ooc ooh ook ooo

a-ak a-be a-ha a-ok aaaa aaab aaac aaae aaah aaba aabb aabc aabh aaca aacb aacc aace aach aack aaco aaea aaec aaha aahk aaka aake aaoe aaoo abaa abab abac abae abak abb- abba abbb abbe abbo abca abcb abcc abch abec abee abha abho aboa abob aboh abok aboo acaa acab acac acae acba acca accc acce acch acco ace- acea acec aceh acek acha ache achh acho acke acoa acoe acoh aeac aecb aeka ahab ahac ahah ahha ahoa ahoe ahok akaa akae akah akao akca akee akha akka akko akok aoah aoba aoca aoce baaa baah baak baba babb babe babo bac- baca bacc bace bach back baco baek baha baho bak- baka bake bakh bako baoh bbbb bbch bbeb bcaa bcbc bcca bccc bcec bche beah beak beba bebb bebe bebo beca bech beck beeb beek beka beke beko beo- beok bhao bhca bhcc boab boac boak boba bobb bobe bobo boca boce boch bock boco boea boec boee boeo boha boho boka boke boko boob booc booe booh book c-bo caaa caab caac caah caba cabe cabo cac- caca cacc cace cach cack caco caec caha cahe caka cake cbac cbbc cbca cbcc cbce cbea cbec cbee cbha cbka cbko ccaa ccab ccac ccba ccbc ccca cccb cccc ccee ccha cche ccob ccoc ceac ceba cec- ceca cece ceco ceeb ceec ceke chaa chab chac chae chah chak chao chca chce chch chea cheb chec chee cheh chek chha chka chkb choc choh chok choo ckac ckbc ckbe ckch ckck ckco ckoa ckob ckoc ckoo coak coba cobb cobe cobh cobo coca coce coch cock coco coha coho cok- coka coke coko coob cooh cook eaba eabh eaca eacc each eaec ebac ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecao ecbc ecbe ecca eccb eccc ecce ecco echa eche echo ecka ecko eco- eeca eeea eeee eeka eeke eeoc ehaa ehcc ehea eheh eka- ekab ekch ekco ekeb ekek ekho ekka ekoa eoka haab haak haba habe habo hace hack haco haec haha haho haka hake hakk hako hboc hcbc hcca hccb hccc hcch heah hebb hebe hebo heca hech heck heeb heek hehe heho heka heke hhaa hhhh hkcc hoac hoba hobe hobo hoca hoce hoch hock hoek hoha hohe hoho hoka hoke hoko hooe hook kaaa kaab kaak kaba kabb kabc kabe kabo kacb kacc kace kach kaco kaeh kaeo kaha kahc kahe kaho kaka kakc kake kakh kakk kako kaoa kaoc kaok kbaa kbab kbac kbae kbak kbba kbbb kbbc kbbe kbbk kbbo kbca kbcb kbce kbch kbck kbco kbeb kbec kbee kbeh kbek kbeo kbhb kbhc kbhe kbhh kbkb kbkk kbko kboa kbob kboc kboe kbok kboo kcaa kcab kcac kcah kcba kcbc kcbk kcca kccb kccc kcck kcea kceb kcec kcee kceo kcha kche kchh kchk kcho kckc kckk kcko kcob kcoe kcoh kea- keak keba kebb kebc kebe keca kech keck keco keeh keek kehk keka kekb kekc keke keko keok khab khac khak khao khbc khca khcb khcc khch khck kheb khec khhk khho khka khke khkk khoa khob khoc khoe khok kkaa kkac kkba kkbb kkbe kkbo kkcb kkch kkck kkco kkea kkha kkhb kkhh kkhk kkkk kkoa kkob kkoh kkoo koab koac koae koak koba kobb kobc kobe kobk kobo koca kocb koch kock koea koha kohh koho koka kokb kokc koke kokh kokk koko koob kooc kook kooo o-eo oahe oake obak obba obbo obea obec obkb oboe obok ocab ocac ocak ocbc occa occc oce ocee ocha oche ocke oec- oeca oecc oeec ohba ohbe ohcc ohee ohho ohob ohoh ohok okak okeh okha okka okko okok ooaa ooak ooba oobe ooha ooho oooh oooo

-aaa- aaaah aaace aaaee aaaoc aabaa aabba aacbc aahaa aakko abaab ababa ababe abaca aback abaco abaka abake abako abbac abccc abcho abeba abebe abece abkoo aboab abobo aboha aboke abook acaca acacb acack acake accho aceae acebo achab achak achao achee achoo ackah ackee