a-a a-b a-i a-t aaa aab aae aaf aag aai aao aat aau ab- aba abb abe abf abg abi abo abt abu aea aeb aee aef aeg aei aeo aet aeu af- afa afb afe aff afg afi afo aft afu ag- aga agb age agf agg agi ago agt agu ai- aia aib aie aif aig aii aio ait aiu aoa aob aoe aof aog aoi aoo aot aou at- ata atb ate atf atg ati ato att atu au- aua aub aue auf aug aui auo aut b-u baa bab bae baf bag bai bao bat bau bba bbb bbe bbf bbg bbi bbo bbt bbu be- bea beb bee bef beg bei beo bet beu bfa bfb bfe bff bfg bfi bfo bft bfu bga bgb bge bgf bgg bgi bgo bgt bgu bi- bia bib bie bif big bii bio bit biu boa bob boe bof bog boi boo bot bou bta btb bte btf btg bti bto btt btu bua bub bue buf bug bui buo but buu eaa eab eae eaf eag eai eao eat eau eba ebb ebe ebf ebg ebi ebo ebt ebu eea eeb eee eef eeg eeo eet ef- efa efb efe eff efg efi efo eft ega egb ege egf egg egi ego egt egu eia eib eie eif eig eii eio eit eiu eo- eoa eob eoe eof eog eoi eoo eot eou eta etb ete etf etg eti eto ett etu eu- eua eub eue euf eug eui eut faa fab fae faf fag fai fao fat fau fba fbb fbe fbf fbg fbi fbo fbt fbu fea feb fee fef feg fei feo fet feu ffa ffe fff ffg ffi ffo fft ffu fga fgb fge fgf fgg fgi fgt fia fib fie fif fig fii fit fiu foa fob foe fof fog foi foo fot fou fta ftb fte ftf ftg fti fto ftt ftu fua fub fue fuf fug fui fuo fut fuu gaa gab gae gaf gag gai gao gat gau gba gbe gbf gbg gbi gbo gbt gbu ge- gea geb gee gef geg gei geo get geu gfa gfb gfe gff gfi gfo gft gga ggb ggg ggi ggo ggt ggu gia gib gie gif gig gii gio git giu goa gob goe gof gog goi goo got gou gta gtb gte gtf gtg gti gto gtt gtu gu- gua gub gue guf gug gui guo gut guu i-f ia- iaa iab iae iaf iag iai iao iat iau iba ibb ibe ibf ibg ibi ibo ibt ibu ie- iea iee ief ieg iei iet ifa ifb ife iff ifg ifi ifo ift ifu iga igb ige igf igg igi igo igt igu iia iib iie iif iii iio iit iiu io- ioa iob ioe iof iog ioi ioo iot iou ita itb ite itf itg iti ito itt itu iu- iua iub iue iug iui iut o-i oaa oab oae oaf oag oai oao oat oau ob- oba obb obe obf obg obi obo obt obu oea oeb oee oef oeg oei oeo oet of- ofa ofb ofe off ofg ofi ofo oft ofu oga oge ogf ogg ogi ogo ogt oia oib oie oif oii oio oit oiu oo- ooa oob oof oog ooi ooo oot ot- ota otb ote otf otg oti oto ott otu ou- oua oue ouf oui ouo out taa tab tae taf tag tai tao tat tau tba tbb tbe tbf tbg tbi tbo tbt tbu te- tea teb tee tef teg tei teo tet teu tfa tfb tfe tff tfg tfi tfo tft tfu tga tgb tge tgf tgg tgi tgo tgt tgu tia tib tie tif tig tii tio tit tiu to- toa tob toe tof tog toi too tot tou tta ttb tte ttf ttg tti tto ttt ttu tua tub tue tuf tug tui tuo tut tuu ua- uaa uab uae uaf uag uai uao uat uau uba ubb ube ubf ubg ubi ubo ubt ubu uea ueb uee uef ueg uei uet ufa ufe uff ufg ufi ufo uft ufu uga ugb uge ugf ugg ugi ugo ugt ugu uia uib uie uif uig uii uio uit uiu uoa uob uoe uog uoo uot uta utb ute utf uti uto utt utu uua uue uug uut uuu

a-be a-fu a-ii aaaa aaab aaae aaaf aaai aaba aabb aabi aabt aaea aafa aafb aaff aafi aage aaib aaii aaoe aaoo aata aatf aatt abaa abab abae abaf abag abai abat abau abb- abba abbb abbe abbi abbo abbt abee abet abff abia abib abie abig abit abiu aboa abob abof aboo abot abou abta abtu abua abue abuf abug abut aeaf aebi aega aeio aeit aeta aetf aeto aett afaa afao afat afee afet affa affi affo afft afgf afia afib afif afig afit afoa afoe afog afoo afta afte afua afue ag-o agag agai agao agat agau agba agbo agea agee agei aget agfa agga agge aggi aggu agia agib agie agig agii agio agit agob agog agoo agot agou agta agte agua ague agui agut aiai aiba aibo aiea aiee aiet aiff aiga aigo aiia aiib aioi aita aite aitf aiti aitt aitu aiui aoba aoeu aotf aouf aout at-t ataa atab atae atai atat atea atee atef atei ateo atfb atfe atgo atia atie atif atit atiu atob atoe atof atoi atot atta atte atti atto attu atua atub atug auaa aube aufe aufi auga auge augi aut- aute auto auug ba-i baaa baaf baat baba babb babe babi babo babu baff bafo baft baga bage bagg bagi bago bagt baia baib baie baig baio bait bata bate batf bati bato batt batu bau- bauf baug bbau bbbb bbeb bbet bbga beaf beag beat beau beba bebb bebe bebi bebo beeb beef beeg beet befa befe beff befo beft bega begg begi bego begu beia beit beo- beof beot beta bete beti beto bett betu bfgf bfta bftt bgia biaf biao biat biba bibb bibe bibi