a-a a-b a-i a-t aaa aab aae aai aak aao aat ab- aba abb abe abi abk abo abt aea aeb aee aei aek aeo aet ai- aia aib aie aii aik aio ait aka akb ake aki akk ako aoa aob aoe aoi aok aoo aot at- ata atb ate ati ato att baa bab bae bai bak bao bat bba bbb bbe bbi bbk bbo bbt be- bea beb bee bei bek beo bet bi- bia bib bie bii bik bio bit bka bkb bke bkk bko bkt boa bob boe boi bok boo bot bta btb bte bti btk bto btt eaa eab eae eai eak eao eat eba ebb ebe ebi ebk ebo ebt eea eeb eee eek eeo eet eia eib eie eii eik eio eit eka ekb eke eki eko ekt eo- eoa eob eoe eoi eok eoo eot eta etb ete eti etk eto ett ia- iaa iab iae iai iao iat iba ibb ibe ibi ibk ibo ibt ie- iea iee iei iek iet iia iib iie iii iio iit ika ikb ike iki ikk iko ikt io- ioa iob ioe ioi ioo iot ita itb ite iti itk ito itt k-t ka- kaa kab kae kai kak kao kat kba kbb kbe kbi kbk kbo ke- kea keb kee kei kek keo ket kia kib kie kii kik kio kit kkb kke kki kkk kkt koa kob koe koi kok koo kot kta ktb kte ktk kto ktt o-i oaa oab oae oai oak oao oat ob- oba obb obe obi obk obo obt oea oeb oee oei oeo oet oia oib oie oii oik oio oit oka okb oke oki okk oko oo- ooa oob ooi ook ooo oot ot- ota otb ote oti otk oto ott taa tab tae tai tak tao tat tba tbb tbe tbi tbk tbo tbt te- tea teb tee tei tek teo tet tia tib tie tii tik tio tit tka tkb tke tkk tko tkt to- toa tob toe toi tok too tot tta ttb tte tti ttk tto ttt

a-ak a-be a-ii a-ok aaaa aaab aaae aaai aaba aabb aabi aabt aaea aaib aaii aaka aake aaoe aaoo aata aatk aatt abaa abab abae abai abak abat abb- abba abbb abbe abbi abbo abbt abee abet abia abib abie abit aboa abob abok aboo abot abta aebi aeio aeit aeka aeta aeto aett aiai aiba aibo aiea aiee aiet aiia aiib aika aike aiki aiko aioi aita aite aiti aitt akaa akae akai akao akee akia akie akik akio akka akki akko akok akot akte aoba aoki at-t ataa atab atae atai atak atat atea atee atei ateo atia atie atik atit atka atkt atob atoe atoi atok atot atta atte atti atto ba-i baaa baak baat baba babb babe babi babo baek baia baib baie baik baio bait bak- baka bake baki bako bakt bata bate bati bato batt bbbb bbeb bbet beak beat beba bebb bebe bebi bebo beeb beek beet beia beik beit beka beke beki beko beo- beok beot beta bete beti beto bett biak biao biat biba bibb bibe bibi bibo bieb biet bike biko bio- bioi biot bita bite bito bitt boab boai boak boat boba bobb bobe bobi bobo boea boee boeo boet boi- boie boii boit boka boke boki boko boob booe book boot bota botb bote boti boto bott btaa btek btie btob bttb eaba eata eate eati ebba ebbo ebit eboe eboo eeea eeee eeka eeke eeta eete eiao eiei eika eike eiki eiko eita eitb eiti eito eka- ekab ekeb ekek eket ekka ekki ekoa ekoi ekta eoka eota eoto etai etak etat etee etik etio etka etoe etok etta ette etti etto i-be iaaa iaai iaat iaba iaea iaia iata iate iati ibat ibea ibet ibia ibie ibot ibtb ieat ieet ieie ieio ieta iett iiie iiii iiio iiit iioi iioo iita iitt ikat ikea ikee ikki ikko ikoo ioba iobi ioee ioii ioio ioit ioke ioko iooi iooo iota iote ioto itaa itai itak itat itbe itea itek itet itia itie itko itoi itoo itta itto kaaa kaab kaai kaak kaat kaba kabb kabe kabi kabo kaei kaeo kaet kaia kaib kaie kaii kaik kaio kait kaka kake kaki kakk kako kakt kaoa kaoi kaok kat- kata katb kate kati katk kato katt kbaa kbab kbae kbai kbak kbat kbba kbbb kbbe kbbi kbbk kbbo kbbt kbeb kbee kbek kbeo kbet kbia kbib kbie kbik kbio kbit kbkb kbkk kbko kboa kbob kboe kboi kbok kboo kbot kbta kbtb kbte kbtk kbto kbtt kea- keak keat keba kebb kebe kebi kebt keek keet keib keii keik keio keka kekb keke keki keko keok ket- keta kete keti ketk keto kett kiab kiai kiba kibb kibe kibi kibo kibt kiia kiii kiik kiit kika kiki kikk kiko kikt kioa kioe kioi kiok kioo kiot kita kite kiti kito kitt kkaa kkai kkat kkba kkbb kkbe kkbi kkbo kkbt kkea kkia kkik kkit kkkk kkoa kkob kkoo kkot kktk koab koae koai koak koba kobb kobe kobi kobk kobo koea koei koii koit koka kokb koke koki kokk koko koob kooi kook kooo koot kota kotb kote koti kotk koto kott ktaa ktae ktai ktak ktao ktat ktba ktbb ktbt ktea ktee ktek ktia ktib ktie ktik ktkb ktke ktkk ktko ktkt ktob ktoe ktok ktoo ktot ktti kttk ktto kttt o-eo oake oate obai obak obba obbo obea obet obia obie obit obkb oboe oboi obok obot oeta oeti oiba oiii oike oiko oita oiti okak oket okia okie okka okko okok okot okta okto ooaa ooak ooba oobe oobi ooia oooo ootb otak otea otee otit oto- otoe otok otoo otta otte otti otto taa- taat taba tabb tabe tabi tabo taia taik taio tait taka take taki takk tako takt taoa tata tatb tate tati tato tatt tbit tbta teak teat teba tebo teek teet teia teie teka teke teok teta tete teti teto tett tiaa tiab tiao