-er a-a a-b a-i a-t aaa aab aae aai aam aan aar aat aau ab- aba abb abe abi abm abn abr abt abu aea aeb aee aei aem aen aer aet aeu ai- aia aib aie aii aim ain air ait aiu ama amb ame ami amm amn amr amt amu an- ana anb ane ani anm ann anr ant anu ar- ara arb are ari arm arn arr art aru at- ata atb ate ati atm atn atr att atu au- aua aub aue aui aum aun aur aut b-u baa bab bae bai bam ban bar bat bau bba bbb bbe bbi bbm bbn bbr bbt bbu be- bea beb bee bei bem ben ber bet beu bi- bia bib bie bii bim bin bir bit biu bma bmb bme bmi bmm bmn bmr bmt bmu bna bnb bne bni bnn bnr bnt bnu bra brb bre bri brm brn brr brt bru bta btb bte bti btm btn btr btt btu bua bub bue bui bum bun bur but buu eaa eab eae eai eam ean ear eat eau eba ebb ebe ebi ebm ebn ebr ebt ebu eea eeb eee eem een eer eet eia eib eie eii eim ein eir eit eiu em- ema emb eme emi emm emn emr emt emu en- ena enb ene eni enm enn enr ent enu era erb ere eri erm ern err ert eru eta etb ete eti etm etn etr ett etu eu- eua eub eue eui eun eur eut ia- iaa iab iae iai iam ian iar iat iau iba ibb ibe ibi ibm ibn ibr ibt ibu ie- iea iee iei iem ien ier iet iia iib iie iii iim iin iir iit iiu im- ima imb ime imi imm imn imt imu in- ina inb ine ini inm inn inr int inu ir- ira irb ire iri irm irn irr irt iru ita itb ite iti itm itn itt itu iu- iua iub iue iui ium iur iut m-r maa mab mae mai mam man mar mat mau mba mbb mbe mbi mbm mbr mbt mbu mea meb mee mei mem men mer met meu mi- mia mib mie mii mim min mir mit miu mma mmb mme mmi mmm mmn mmr mmt mmu mna mnb mne mni mnm mnn mnr mnt mnu mra mrb mre mri mrm mrn mrr mrt mru mta mtb mte mti mtm mtn mtr mtt mtu mua mub mue mui mum mun mur mut muu n-i naa nab nae nai nam nan nar nat nau nba nbb nbe nbi nbm nbn nbr nbt nbu ne- nea neb nee nei nem nen ner net neu nia nib nie nii nim nin nir nit niu nma nmb nme nmi nmm nmn nmr nmt nmu nna nnb nne nni nnm nnn nnt nnu nra nrb nre nri nrm nrn nrr nrt nru nta ntb nte nti ntm ntn ntr ntt ntu nua nub nue nui num nun nur nut nuu ra- raa rab rae rai ram ran rar rat rau rba rbb rbe rbi rbm rbn rbr rbt rbu re- rea reb ree rei rem ren rer ret reu ria rib rie rii rim rin rir rit rma rmb rme rmi rmm rmn rmr rmt rna rnb rni rnm rnn rnr rnt rnu rra rrb rri rrm rrn rrr rrt rru rta rtb rte rti rtm rtn rtr rtt rtu rua rub rue rui rum run rur rut ruu taa tab tae tai tam tan tar tat tau tba tbb tbe tbi tbm tbn tbr tbt tbu te- tea teb tee tei tem ten ter tet teu tia tib tie tii tim tin tir tit tiu tma tmb tme tmi tmm tmn tmr tmt tmu tna tnb tne tni tnm tnn tnr tnt tra trb tre tri trm trn trr trt tru tta ttb tte tti ttm ttn ttr ttt ttu tua tub tue tui tum tun tur tut tuu ua- uaa uab uae uai uam uan uar uat uau uba ubb ube ubi ubn ubr ubt ubu uea ueb uee uei uem uen uer uet uia uib uie uii uim uin uir uit uiu um- uma umb ume umi umm umn umr umt umu un- una unb une uni unm unn unr unt unu ur- ura urb ure uri urm urn urr urt uru uta utb ute uti utm utn utr utt utu uua uue uum uun uur uut uuu