-er a-a a-b aaa aab aae aag aam aan aar aau ab- aba abb abe abg abm abn abr abu aea aeb aee aeg aem aen aer aeu ag- aga agb age agg agm agn agr agu ama amb ame amg amm amn amr amu an- ana anb ane ang anm ann anr anu ar- ara arb are arg arm arn arr aru au- aua aub aue aug aum aun aur b-u baa bab bae bag bam ban bar bau bba bbb bbe bbg bbm bbn bbr bbu be- bea beb bee beg bem ben ber beu bga bgb bge bgg bgm bgn bgr bgu bma bmb bme bmg bmm bmn bmr bmu bna bnb bne bng bnn bnr bnu bra brb bre brg brm brn brr bru bua bub bue bug bum bun bur buu eaa eab eae eag eam ean ear eau eba ebb ebe ebg ebm ebn ebr ebu eea eeb eee eeg eem een eer ega egb ege egg egm egn egr egu em- ema emb eme emg emm emn emr emu en- ena enb ene eng enm enn enr enu era erb ere erg erm ern err eru eu- eua eub eue eug eun eur gaa gab gae gag gam gan gar gau gba gbe gbg gbm gbn gbr gbu ge- gea geb gee geg gem gen ger geu gga ggb ggg ggm ggn ggr ggu gma gmb gme gmg gmm gmn gmr gna gnb gne gnm gnn gnr gnu gra grb gre grg grm grn grr gru gu- gua gub gue gug gum gun gur guu m-r maa mab mae mag mam man mar mau mba mbb mbe mbg mbm mbr mbu mea meb mee meg mem men mer meu mga mgb mge mgm mgn mgr mgu mma mmb mme mmg mmm mmn mmr mmu mna mnb mne mng mnm mnn mnr mnu mra mrb mre mrg mrm mrn mrr mru mua mub mue mug mum mun mur muu naa nab nae nag nam nan nar nau nba nbb nbe nbg nbm nbn nbr nbu ne- nea neb nee neg nem nen ner neu nga ngb nge ngg ngm ngn ngu nma nmb nme nmg nmm nmn nmr nmu nna nnb nne nng nnm nnn nnu nra nrb nre nrg nrm nrn nrr nru nua nub nue nug num nun nur nuu ra- raa rab rae rag ram ran rar rau rba rbb rbe rbg rbm rbn rbr rbu re- rea reb ree reg rem ren rer reu rga rgb rge rgg rgn rgr rma rmb rme rmg rmm rmn rmr rna rnb rng rnm rnn rnr rnu rra rrb rrg rrm rrn rrr rru rua rub rue rug rum run rur ruu ua- uaa uab uae uag uam uan uar uau uba ubb ube ubg ubn ubr ubu uea ueb uee ueg uem uen uer uga ugb uge ugg ugm ugn ugr ugu um- uma umb ume umg umm umn umr umu un- una unb une ung unm unn unr unu ur- ura urb ure urg urm urn urr uru uua uue uug uum uun uur uuu

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