a-a a-b a-c aaa aab aac aad aae aah aak aau ab- aba abb abc abd abe abh abk abu ac- aca acb acc acd ace ach ack acu ad- ada adb adc add ade adh adk adu aea aeb aec aed aee aeh aek aeu aha ahb ahc ahd ahe ahh ahk ahu aka akb akc akd ake akh akk aku au- aua aub auc aud aue auh auk b-u baa bab bac bad bae bah bak bau bba bbb bbc bbd bbe bbh bbk bbu bca bcb bcc bcd bce bch bck bcu bda bdb bdc bdd bde bdh bdk bdu be- bea beb bec bed bee beh bek beu bha bhb bhc bhd bhe bhh bhk bhu bka bkb bkc bke bkk bua bub buc bud bue buh buk buu c-- caa cab cac cad cae cah cak cau cba cbb cbc cbd cbe cbh cbk cbu cca ccb ccc ccd cce cch cck ccu cda cdb cdc cdd cde cdh cdk cdu ce- cea ceb cec ced cee ceh cek ceu ch- cha chb chc chd che chh chk chu cka ckb ckc ckd ckh cua cub cuc cud cue cuh cuk cuu daa dab dac dad dae dah dak dau dba dbb dbc dbd dbe dbh dbk dbu dca dcb dcc dcd dce dck dcu dda ddb ddc ddd dde ddh ddk ddu de- dea deb dec ded dee deh dek deu dh- dha dhb dhc dhd dhe dhh dhk dhu dka dkb dkc dke dkk dku dua dub duc dud due duh duk eaa eab eac ead eae eah eak eau eba ebb ebc ebd ebe ebh ebk ebu ec- eca ecb ecc ecd ece ech eck ecu ed- eda edb edc edd ede edh edk edu eea eeb eec eed eee eek eha ehb ehc ehd ehe ehh ehu eka ekb ekc ekd eke ekh eku eu- eua eub euc eud eue haa hab hac had hae hah hak hau hba hbb hbc hbd hbe hbh hbk hbu hca hcb hcc hcd hce hch hck hda hdb hdc hdd hde hdh hdk hdu he- hea heb hec hed hee heh hek heu hha hhb hhc hhd hhe hhh hhk hhu hka hkb hkd hkh hkk hku hua hub huc hud hue huh huk huu ka- kaa kab kac kad kae kah kak kau kba kbb kbc kbd kbe kbh kbk kbu kca kcb kcc kcd kce kch kck kcu kda kdb kdc kde kdh kdk kdu ke- kea keb kec ked kee keh kek kha khe khh khk khu kkb kkc kke kkh kkk kku kub kuc kud kue kuh kuk kuu ua- uaa uab uac uad uae uah uak uau uba ubb ubc ube ubh ubk ubu uca ucb ucc ucd uce uch uck ucu uda udb udc udd ude udk udu uea ueb uec ued uee ueh uha uhb uhc uhd uhe uhh uhu uka ukb ukc uke ukk uku uua uuc uue uuu

a-ak a-be a-ha aaaa aaab aaac aaad aaae aaah aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aack aacu aada aadc aade aadu aaea aaec aaha aahk aaka aake aaku abaa abab abac abad abae abak abau abb- abba abbb abbe abca abcb abcc abcd abch abda abdu abec abed abee abha abua abud abue abuk acaa acab acac acad acae acba acca accc accd acce acch accu acda acdb acdc acde ace- acea acec aced aceh acek acha ache achh achu ackd acke acu- acue adaa adab adac adad adae adah adak adba adbc adcc adda addc addd adde addu adea adeb adee adeh adha adhd adhu adua adub adue aduk aeac aecb aede aeka ahab ahac ahad ahah ahau ahed ahha ahua akaa akae akah akca aked akee akeu akha akka akku akua auaa aube auca auce auch audc aude audh auke baaa baad baah baak baba babb babe babu bac- baca bacc bace bach back bada badb badd bade badh badu baed baek baha bahu bak- baka bake bakh baku bau- baud bauk bbad bbau bbbb bbch bbdd bbeb bcaa bcbc bcca bccc bcda bcde bcec bchd bche bcuc bdbc bddc bddh bead beah beak beau beba bebb bebe beca bech beck becu beda bede bedu beeb beed beek beka beke beuk bhca bhcc bhuu buad buba bubb bube bubu buca bucc buce buch buck bucu buda budb budd bude budu buea bueu buha buhe buka buke bukh bukk buku c-cd caaa caab caac caah caba cabe cabu cac- caca cacc cace cach cack cada cadc cadd cade cadu caec caeu caha cahe caka cake cauc cauk cbac cbbc cbca cbcc cbce cbcu cbdb cbdc cbea cbec cbee cbha cbka ccaa ccab ccac ccad ccba ccbc ccca cccb cccc cccu ccdc ccdh cced ccee ccha cche ccuc cd-e cdaa cdac cdad cdba cdda cddb cdec ceac cead ceba cebu cec- ceca cece ceda cedd cede cedu ceeb ceec ceke chaa chab chac chad chae chah chak chau chca chce chch chea cheb chec ched chee cheh chek cheu chha chka chkb chua chub chud chuk ckac ckbc ckbe ckch ckck ckdu cuau cub- cuba cubb cube cuca cucc cuce cuck cuda cude cued cuek cuk- cuka cuke daab daad daae daau daba dabb dabu daca dace dada dade dadu daeb daeu daha dahe dahu daka dake daku daub daud daue dauk dbcc dcbc dcca dccb dccc dccu dcdb dche dddd ddub deac dead deae deak deau deba debe debu dec- deca decc decd dece deck deda dedd dede dedu deeb deed deek deha dehu dek- deka deke dekh deua deue deuk dhaa dhad dhak dhau dhec dhed dhee dkba dkdc duaa duab duad duah dub- duba dubb dubc dube dubh dubu duca duce duch duck duda dudd dude dudu duha duhe duhu duka duke duku eaba eabh eaca eacc each eada eadb eadd eaec ebac ebba ebbc ebcc ebed ecaa ecac ecad ecbc ecbe ecca eccb eccc ecce ecdc eced echa eche ecka ecua edac edad edah edca edda eddc edde