-er a-a a-b a-i aaa aab aae aai aam aan aar aau ab- aba abb abe abi abm abn abr abu aea aeb aee aei aem aen aer aeu ai- aia aib aie aii aim ain air aiu ama amb ame ami amm amn amr amu an- ana anb ane ani anm ann anr anu ar- ara arb are ari arm arn arr aru au- aua aub aue aui aum aun aur b-u baa bab bae bai bam ban bar bau bba bbb bbe bbi bbm bbn bbr bbu be- bea beb bee bei bem ben ber beu bi- bia bib bie bii bim bin bir biu bma bmb bme bmi bmm bmn bmr bmu bna bnb bne bni bnn bnr bnu bra brb bre bri brm brn brr bru bua bub bue bui bum bun bur buu eaa eab eae eai eam ean ear eau eba ebb ebe ebi ebm ebn ebr ebu eea eeb eee eem een eer eia eib eie eii eim ein eir eiu em- ema emb eme emi emm emn emr emu en- ena enb ene eni enm enn enr enu era erb ere eri erm ern err eru eu- eua eub eue eui eun eur ia- iaa iab iae iai iam ian iar iau iba ibb ibe ibi ibm ibn ibr ibu ie- iea iee iei iem ien ier iia iib iie iii iim iin iir iiu im- ima imb ime imi imm imn imu in- ina inb ine ini inm inn inr inu ir- ira irb ire iri irm irn irr iru iu- iua iub iue iui ium iur m-r maa mab mae mai mam man mar mau mba mbb mbe mbi mbm mbr mbu mea meb mee mei mem men mer meu mi- mia mib mie mii mim min mir miu mma mmb mme mmi mmm mmn mmr mmu mna mnb mne mni mnm mnn mnr mnu mra mrb mre mri mrm mrn mrr mru mua mub mue mui mum mun mur muu n-i naa nab nae nai nam nan nar nau nba nbb nbe nbi nbm nbn nbr nbu ne- nea neb nee nei nem nen ner neu nia nib nie nii nim nin nir niu nma nmb nme nmi nmm nmn nmr nmu nna nnb nne nni nnm nnn nnu nra nrb nre nri nrm nrn nrr nru nua nub nue nui num nun nur nuu ra- raa rab rae rai ram ran rar rau rba rbb rbe rbi rbm rbn rbr rbu re- rea reb ree rei rem ren rer reu ria rib rie rii rim rin rir rma rmb rme rmi rmm rmn rmr rna rnb rni rnm rnn rnr rnu rra rrb rri rrm rrn rrr rru rua rub rue rui rum run rur ruu ua- uaa uab uae uai uam uan uar uau uba ubb ube ubi ubn ubr ubu uea ueb uee uei uem uen uer uia uib uie uii uim uin uir uiu um- uma umb ume umi umm umn umr umu un- una unb une uni unm unn unr unu ur- ura urb ure uri urm urn urr uru uua uue uum uun uur uuu