-er a-a a-z aaa aae aaf aam aar aaz aea aee aef aem aer aez af- afa afe aff afm afr afz ama ame amf amm amr amz ar- ara are arf arm arr arz az- aza aze azf azm azz eaa eae eaf eam ear eaz eea eee eef eem eer ef- efa efe eff efm efr em- ema eme emf emm emr era ere erf erm err erz eze ezf ezr ezz faa fae faf fam far faz fea fee fef fem fer fez ffa ffe fff ffm ffr ffz fma fme fmf fmm fmr fra fre frf frm frr m-f m-r maa mae maf mam mar maz mea mee mef mem mer mez mfa mfe mff mfm mfr mfz mma mme mmf mmm mmr mmz mra mre mrf mrm mrr mrz mza mzf mzm ra- raa rae raf ram rar raz re- rea ree ref rem rer rez rfa rfe rff rfm rfr rfz rma rme rmf rmm rmr rra rrf rrm rrr rza rze rzm zaa zaf zam zar zaz zea zee zef zem zer zez zfa zfr zma zmm zzr zzz