a-a a-b a-t aaa aab aad aae aak aao aat ab- aba abb abd abe abk abo abt ad- ada adb add ade adk ado adt aea aeb aed aee aek aeo aet aka akb akd ake akk ako aoa aob aod aoe aok aoo aot at- ata atb atd ate ato att baa bab bad bae bak bao bat bba bbb bbd bbe bbk bbo bbt bda bdb bdd bde bdk bdo bdt be- bea beb bed bee bek beo bet bka bkb bke bkk bko bkt boa bob bod boe bok boo bot bta btb btd bte btk bto btt daa dab dad dae dak dao dat dba dbb dbd dbe dbk dbo dbt dda ddb ddd dde ddk ddo ddt de- dea deb ded dee dek deo det dka dkb dke dkk dko dkt doa dob dod doe dok doo dot dta dtb dtd dte dtk dto dtt eaa eab ead eae eak eao eat eba ebb ebd ebe ebk ebo ebt ed- eda edb edd ede edk edo edt eea eeb eed eee eek eeo eet eka ekb ekd eke eko ekt eo- eoa eob eod eoe eok eoo eot eta etb etd ete etk eto ett k-t ka- kaa kab kad kae kak kao kat kba kbb kbd kbe kbk kbo kda kdb kde kdk kdo kdt ke- kea keb ked kee kek keo ket kkb kke kkk kkt koa kob kod koe kok koo kot kta ktb kte ktk kto ktt oaa oab oad oae oak oao oat ob- oba obb obd obe obk obo obt oda odb odd ode odo odt oea oeb oed oee oeo oet oka okb okd oke okk oko oo- ooa oob ood ook ooo oot ot- ota otb otd ote otk oto ott taa tab tad tae tak tao tat tba tbb tbd tbe tbk tbo tbt tda tdb tdd tde tdk tdo tdt te- tea teb ted tee tek teo tet tka tkb tke tkk tko tkt to- toa tob tod toe tok too tot tta ttb ttd tte ttk tto ttt

a-ak a-be a-do a-ok aaaa aaab aaad aaae aaba aabb aabd aabt aada aade aadt aaea aaka aake aaoe aaoo aata aatk aatt abaa abab abad abae abak abat abb- abba abbb abbe abbo abbt abda abdo abed abee abet aboa abob abod abok aboo abot abta adaa adab adad adae adak adao adat adba adda addd adde addo adea adeb adee adeo adet adob adod adoe adok adoo adot adta aede aedt aeka aeta aeto aett akaa akae akao aked akee akka akko akok akot akte aoba aotd at-t ataa atab atad atae atak atat atdt atea ated atee ateo atka atkt atob atod atoe atok atot atta atte atto baaa baad baak baat baba babb babe babo bada badb badd bade bado baed baek bak- baka bake bako bakt bata bate bato batt bbad bbbb bbdd bbdo bbeb bbet bead beak beat beba bebb bebe bebo beda bede bedo beeb beed beek beet beka beke beko beo- beod beok beot beta bete beto bett boab boad boak boat boba bobb bobe bobo boda bodb bode bodo boea boee boeo boet boka boke boko boob bood booe book boot bota botb botd bote boto bott btaa btdt btek btob bttb d-bo daab daad daae daba dabb dabo dabt dada dade dado daeb daka dake dako data date dato datt dbtt dddd ddot dead deae deak deba debe debt deda dedd dede dedo deeb deed deek deet dek- deka deke deta dete detk deto dkba doab doae doak doat doba dobb dobe dod- doda dodd dode dodo doea doek doka doke doko doob dood dook doot dota dotd dote dotk doto dott dtaa dted dtek dtot eaba eada eadb eadd eata eate ebba ebbo ebed eboe eboo edad edda edde eddo ede- edea edod edta eede eeea eeee eeka eeke eeta eete eka- ekab ekeb eked ekek eket ekka ekoa ekta eode eoka eota eotd eoto etak etat etee etka etoe etok etta ette etto kaaa kaab kaak kaat kaba kabb kabd kabe kabo kad- kada kadd kade kado kadt kaeo kaet kaka kake kakk kako kakt kaoa kaok kat- kata katb katd kate katk kato katt kbaa kbab kbad kbae kbak kbat kbba kbbb kbbd kbbe kbbk kbbo kbbt kbdb kbde kbdo kbeb kbed kbee kbek kbeo kbet kbkb kbkk kbko kboa kbob kbod kboe kbok kboo kbot kbta kbtb kbte kbtk kbto kbtt kdaa kdab kdad kdae kdak kdao kdat kdbb kddb kddd kddk kdeb kdet kdka kdkb kdkd kdkk kdko kdkt kdoe kdok kdot kdta kdtd kea- kead keak keat keba kebb kebe kebt keda kedb kedd kede kedo kedt keed keek keet keka kekb keke keko keok ket- keta ketd kete ketk keto kett kkaa kkat kkba kkbb kkbd kkbe kkbo kkbt kkda kkdd kkdo kkdt kkea kked kkkk kkoa kkob kkoo kkot kktk koab koae koak koba kobb kobe kobk kobo koda kode kodk kodo kodt koea koed koka kokb koke kokk koko koob kook kooo koot kota kotb kotd kote kotk koto kott ktaa ktae ktak ktao ktat ktba ktbb ktbt ktdb ktdd ktde ktdk ktdo ktea kted ktee ktek ktkb ktke ktkk ktko ktkt ktob ktoe ktok ktoo ktot kttk ktto kttt o-eo oade oake oate obad obak obba obbo obdt obea obed obet obkb oboe obok obot obtd odbo odda oddd odea oded odeo odet odoo odot oedo oeta okak oked oket okka okko okok okot okta okto ooaa ooak ooba oobe ooda oooo ootb otak otbd otea oted otee oto- otoe otok otoo otta otte otto taa- taat taba tabb tabe tabo tada tade tado taka take takk tako takt taoa tata tatb tate tato tatt tbta tddb tead teak teat teba tebo teda tedd tede tedk teed teek teet teka teke teok teta tete teto tett tkod toab toad toat toba tobe tobo tobt toda todd tode todo todt toea toed toee toek toet toka toke toko tooa tood took toot tota totd tote toto