-er a-a aaa aae aaf aam aan aar aea aee aef aem aen aer af- afa afe aff afm afn afr ama ame amf amm amn amr an- ana ane anf anm ann anr ar- ara are arf arm arn arr eaa eae eaf eam ean ear eea eee eef eem een eer ef- efa efe eff efm efr em- ema eme emf emm emn emr en- ena ene enf enm enn enr era ere erf erm ern err faa fae faf fam fan far fea fee fef fem fen fer ffa ffe fff ffm ffn ffr fma fme fmf fmm fmn fmr fna fne fnf fnm fnn fnr fra fre frf frm frn frr m-f m-r maa mae maf mam man mar mea mee mef mem men mer mfa mfe mff mfm mfn mfr mma mme mmf mmm mmn mmr mna mne mnf mnm mnn mnr mra mre mrf mrm mrn mrr naa nae naf nam nan nar ne- nea nee nef nem nen ner nfa nfe nff nfn nfr nma nme nmm nmn nmr nna nne nnf nnm nnn nra nre nrf nrm nrn nrr ra- raa rae raf ram ran rar re- rea ree ref rem ren rer rfa rfe rff rfm rfn rfr rma rme rmf rmm rmn rmr rna rnm rnn rnr rra rrf rrm rrn rrr