-er a-a aaa aae aaf aag aam aan aao aar aea aee aef aeg aem aen aeo aer af- afa afe aff afg afm afn afo afr ag- aga age agf agg agm agn ago agr ama ame amf amg amm amn amo amr an- ana ane anf ang anm ann ano anr aoa aoe aof aog aom aon aoo aor ar- ara are arf arg arm arn aro arr eaa eae eaf eag eam ean eao ear eea eee eef eeg eem een eeo eer ef- efa efe eff efg efm efo efr ega ege egf egg egm egn ego egr em- ema eme emf emg emm emn emo emr en- ena ene enf eng enm enn eno enr eo- eoa eoe eof eog eom eon eoo eor era ere erf erg erm ern ero err faa fae faf fag fam fan fao far fea fee fef feg fem fen feo fer ffa ffe fff ffg ffm ffn ffo ffr fga fge fgf fgg fgm fgn fgr fma fme fmf fmg fmm fmn fmo fmr fna fne fnf fng fnm fnn fnr foa foe fof fog fom fon foo for fra fre frf frg frm frn fro frr gaa gae gaf gag gam gan gao gar ge- gea gee gef geg gem gen geo ger gfa gfe gff gfm gfo gfr gga ggg ggm ggn ggo ggr gma gme gmf gmg gmm gmn gmo gmr gna gne gnf gnm gnn gno gnr goa goe gof gog gom gon goo gor gra gre grf grg grm grn gro grr m-f m-o m-r maa mae maf mag mam man mao mar mea mee mef meg mem men meo mer mfa mfe mff mfg mfm mfn mfo mfr mga mge mgf mgm mgn mgo mgr mma mme mmf mmg mmm mmn mmo mmr mna mne mnf mng mnm mnn mno mnr moa moe mof mog mom mon moo mor mra mre mrf mrg mrm mrn mro mrr naa nae naf nag nam nan nao nar ne- nea nee nef neg nem nen neo ner nfa nfe nff nfn nfo nfr nga nge ngf ngg ngm ngn ngo nma nme nmg nmm nmn nmo nmr nna nne nnf nng nnm nnn nno no- noa noe nof nog nom non noo nor nra nre nrf nrg nrm nrn nro nrr oaa oae oaf oag oam oan oao oar oea oee oef oeg oem oen oeo oer of- ofa ofe off ofg ofm ofn ofo ofr oga oge ogf ogg ogn ogo om- oma ome omf omg omm omn omo omr on- ona one onf ong onn ono onr oo- ooa oof oog oom oon ooo oor or- ora ore orf org orm orn oro orr ra- raa rae raf rag ram ran rao rar re- rea ree ref reg rem ren reo rer rfa rfe rff rfg rfm rfn rfo rfr rga rge rgf rgg rgn rgo rgr rma rme rmf rmg rmm rmn rmo rmr rna rng rnm rnn rno rnr roa roe rof rog rom ron roo ror rra rrf rrg rrm rrn rrr