-er a-a a-b a-t aaa aab aae aaf aaj aam aan aao aar aat aau ab- aba abb abe abf abj abm abn abo abr abt abu aea aeb aee aef aej aem aen aeo aer aet aeu af- afa afb afe aff afj afm afn afo afr aft afu aja ajb aje ajf ajj ajm ajn ajo ajr ajt aju ama amb ame amf amm amn amo amr amt amu an- ana anb ane anf anj anm ann ano anr ant anu aoa aob aoe aof aoj aom aon aoo aor aot aou ar- ara arb are arf arj arm arn aro arr art aru at- ata atb ate atf atm atn ato atr att atu au- aua aub aue auf auj aum aun auo aur aut b-u baa bab bae baf baj bam ban bao bar bat bau bba bbb bbe bbf bbm bbn bbo bbr bbt bbu be- bea beb bee bef bem ben beo ber bet beu bfa bfb bfe bff bfj bfm bfn bfo bfr bft bfu bja bjf bjj bjm bjn bjr bjt bju bma bmb bme bmf bmj bmm bmn bmo bmr bmt bmu bna bnb bne bnf bnj bnn bno bnr bnt bnu boa bob boe bof boj bom bon boo bor bot bou bra brb bre brf brj brm brn bro brr brt bru bta btb bte btf btm btn bto btr btt btu bua bub bue buf buj bum bun buo bur but buu eaa eab eae eaf eaj eam ean eao ear eat eau eba ebb ebe ebf ebj ebm ebn ebo ebr ebt ebu eea eeb eee eef eem een eeo eer eet ef- efa efb efe eff efm efo efr eft eja ejf ejo ejt eju em- ema emb eme emf emm emn emo emr emt emu en- ena enb ene enf enm enn eno enr ent enu eo- eoa eob eoe eof eom eon eoo eor eot eou era erb ere erf erm ern ero err ert eru eta etb ete etf etj etm etn eto etr ett etu eu- eua eub eue euf euj eun eur eut faa fab fae faf faj fam fan fao far fat fau fba fbb fbe fbf fbm fbn fbo fbr fbt fbu fea feb fee fef fem fen feo fer fet feu ffa ffe fff ffm ffn ffo ffr fft ffu fja fjb fjm fma fmb fme fmf fmj fmm fmn fmo fmr fmt fmu fna fnb fne fnf fnj fnm fnn fnr fnt fnu foa fob foe fof fom fon foo for fot fou fra frb fre frf frj frm frn fro frr frt fru fta ftb fte ftf ftm ftn fto ftr ftt ftu fua fub fue fuf fum fun fuo fur fut fuu jaa jab jae jaf jaj jam jan jao jar jat jau jba jbf jbj jbm jbo jbr jbt jbu jea jeb jee jef jej jem jen jeo jer jet jeu jfa jfb jfe jff jfj jfm jfo jfr jft jja jjb jjf jjj jjr jju jma jmb jme jmf jmj jmm jmn jmo jmr jmt jmu jna jne jnf jnj jnn jno jnr jnt jnu joa job joe jof joj jom jon joo jor jot jou jra jrb jrf jrm jrn jro jrr jrt jta jtb jte jtf jtm jtn jtr jtt jtu jub jue juf jum jun juo jur jut m-f m-o m-r maa mab mae maf maj mam man mao mar mat mau mba mbb mbe mbf mbj mbm mbo mbr mbt mbu mea meb mee mef mej mem men meo mer met meu mfa mfb mfe mff mfj mfm mfn mfo mfr mft mfu mjb mje mjj mjm mjr mjt mma mmb mme mmf mmj mmm mmn mmo mmr mmt mmu mna mnb mne mnf mnj mnm mnn mno mnr mnt mnu moa mob moe mof mom mon moo mor mot mou mra mrb mre mrf mrj mrm mrn mro mrr mrt mru mta mtb mte mtf mtj mtm mtn mto mtr mtt mtu mua mub mue muf muj mum mun mur mut muu naa nab nae naf naj nam nan nao nar nat nau nba nbb nbe nbf nbm nbn nbo nbr nbt nbu ne- nea neb nee nef nej nem nen neo ner net neu nfa nfb nfe nff nfn nfo nfr nft nfu nja nje njf njm njn nju nma nmb nme nmm nmn nmo nmr nmt nmu nna nnb nne nnf nnm nnn nno nnt nnu no- noa nob noe nof noj nom non noo nor not nou nra nrb nre nrf nrj nrm nrn nro nrr nrt nru nta ntb nte ntf ntm ntn nto ntr ntt ntu nua nub nue nuj num nun nuo nur nut nuu oaa oab oae oaf oaj oam oan oao oar oat oau ob- oba obb obe obf obj obm obn obo obr obt obu oea oeb oee oef oem oen oeo oer oet of- ofa ofb ofe off ofm ofn ofo ofr oft ofu oja ojb oje ojm ojo oju om- oma omb ome omf omj omm omn omo omr omt omu on- ona onb one onf onj onn ono onr ont onu oo- ooa oob oof oom oon ooo oor oot or- ora orb ore orf orm orn oro orr ort oru ot- ota otb ote otf otm otn oto otr ott otu ou- oua oue ouf oum oun ouo our out ra- raa rab rae raf raj ram ran rao rar rat rau rba rbb rbe rbf rbm rbn rbo rbr rbt rbu re- rea reb ree ref rem ren reo rer ret reu rfa rfb rfe rff rfj rfm rfn rfo rfr rft rfu rja rjf rjm rjr rma rmb rme rmf rmm rmn rmo rmr rmt rna rnb rnm rnn rno rnr rnt rnu roa rob roe rof roj rom ron roo ror rot rou rra rrb rrf rrm rrn rrr rrt rru rta rtb rte rtf rtj rtm rtn rto rtr rtt rtu rua rub rue ruf rum run ruo rur rut ruu