-er a-a a-b a-i aaa aab aae aaf aag aai aam aan aao aar aau ab- aba abb abe abf abg abi abm abn abo abr abu aea aeb aee aef aeg aei aem aen aeo aer aeu af- afa afb afe aff afg afi afm afn afo afr afu ag- aga agb age agf agg agi agm agn ago agr agu ai- aia aib aie aif aig aii aim ain aio air aiu ama amb ame amf amg ami amm amn amo amr amu an- ana anb ane anf ang ani anm ann ano anr anu aoa aob aoe aof aog aoi aom aon aoo aor aou ar- ara arb are arf arg ari arm arn aro arr aru au- aua aub aue auf aug aui aum aun auo aur b-u baa bab bae baf bag bai bam ban bao bar bau bba bbb bbe bbf bbg bbi bbm bbn bbo bbr bbu be- bea beb bee bef beg bei bem ben beo ber beu bfa bfb bfe bff bfg bfi bfm bfn bfo bfr bfu bga bgb bge bgf bgg bgi bgm bgn bgo bgr bgu bi- bia bib bie bif big bii bim bin bio bir biu bma bmb bme bmf bmg bmi bmm bmn bmo bmr bmu bna bnb bne bnf bng bni bnn bno bnr bnu boa bob boe bof bog boi bom bon boo bor bou bra brb bre brf brg bri brm brn bro brr bru bua bub bue buf bug bui bum bun buo bur buu eaa eab eae eaf eag eai eam ean eao ear eau eba ebb ebe ebf ebg ebi ebm ebn ebo ebr ebu eea eeb eee eef eeg eem een eeo eer ef- efa efb efe eff efg efi efm efo efr ega egb ege egf egg egi egm egn ego egr egu eia eib eie eif eig eii eim ein eio eir eiu em- ema emb eme emf emg emi emm emn emo emr emu en- ena enb ene enf eng eni enm enn eno enr enu eo- eoa eob eoe eof eog eoi eom eon eoo eor eou era erb ere erf erg eri erm ern ero err eru eu- eua eub eue euf eug eui eun eur faa fab fae faf fag fai fam fan fao far fau fba fbb fbe fbf fbg fbi fbm fbn fbo fbr fbu fea feb fee fef feg fei fem fen feo fer feu ffa ffe fff ffg ffi ffm ffn ffo ffr ffu fga fgb fge fgf fgg fgi fgm fgn fgr fia fib fie fif fig fii fim fin fir fiu fma fmb fme fmf fmg fmi fmm fmn fmo fmr fmu fna fnb fne fnf fng fni fnm fnn fnr fnu foa fob foe fof fog foi fom fon foo for fou fra frb fre frf frg fri frm frn fro frr fru fua fub fue fuf fug fui fum fun fuo fur fuu gaa gab gae gaf gag gai gam gan gao gar gau gba gbe gbf gbg gbi gbm gbn gbo gbr gbu ge- gea geb gee gef geg gei gem gen geo ger geu gfa gfb gfe gff gfi gfm gfo gfr gga ggb ggg ggi ggm ggn ggo ggr ggu gia gib gie gif gig gii gim gin gio gir giu gma gmb gme gmf gmg gmi gmm gmn gmo gmr gna gnb gne gnf gni gnm gnn gno gnr gnu goa gob goe gof gog goi gom gon goo gor gou gra grb gre grf grg gri grm grn gro grr gru gu- gua gub gue guf gug gui gum gun guo gur guu i-f ia- iaa iab iae iaf iag iai iam ian iao iar iau iba ibb ibe ibf ibg ibi ibm ibn ibo ibr ibu ie- iea iee ief ieg iei iem ien ier ifa ifb ife iff ifg ifi ifm ifn ifo ifr ifu iga igb ige igf igg igi igm ign igo igr igu iia iib iie iif iii iim iin iio iir iiu im- ima imb ime imf img imi imm imn imo imu in- ina inb ine inf ing ini inm inn ino inr inu io- ioa iob ioe iof iog ioi iom ion ioo ior iou ir- ira irb ire irf irg iri irm irn iro irr iru iu- iua iub iue iug iui ium iur m-f m-o m-r maa mab mae maf mag mai mam man mao mar mau mba mbb mbe mbf mbg mbi mbm mbo mbr mbu mea meb mee mef meg mei mem men meo mer meu mfa mfb mfe mff mfg mfi mfm mfn mfo mfr mfu mga mgb mge mgf mgi mgm mgn mgo mgr mgu mi- mia mib mie mif mig mii mim min mio mir miu mma mmb mme mmf mmg mmi mmm mmn mmo mmr mmu mna mnb mne mnf mng mni mnm mnn mno mnr mnu moa mob moe mof mog moi mom mon moo mor mou mra mrb mre mrf mrg mri mrm mrn mro mrr mru mua mub mue muf mug mui mum mun mur muu n-i naa nab nae naf nag nai nam nan nao nar nau nba nbb nbe nbf nbg nbi nbm nbn nbo nbr nbu ne- nea neb nee nef neg nei nem nen neo ner neu nfa nfb nfe nff nfi nfn nfo nfr nfu nga ngb nge ngf ngg ngi ngm ngn ngo ngu nia nib nie nif nig nii nim nin nio nir niu nma nmb nme nmg nmi nmm nmn nmo nmr nmu nna nnb nne nnf nng nni nnm nnn nno nnu no- noa nob noe nof nog noi nom non noo nor nou nra nrb nre nrf nrg nri nrm nrn nro nrr nru nua nub nue nug nui num nun nuo nur nuu o-i oaa oab oae oaf oag oai oam oan oao oar oau ob- oba obb obe obf obg obi obm obn obo obr obu oea oeb oee oef oeg oei oem oen oeo oer of- ofa