-er a-a a-z aaa aae aag aan aar aaz aea aee aeg aen aer aez ag- aga age agg agn agr agz an- ana ane ang ann anr anz ar- ara are arg arn arr arz az- aza aze azg azn azz eaa eae eag ean ear eaz eea eee eeg een eer ega ege egg egn egr en- ena ene eng enn enr enz era ere erg ern err erz eze ezr ezz gaa gae gag gan gar gaz ge- gea gee geg gen ger gez gga ggg ggn ggr ggz gna gne gnn gnr gra gre grg grn grr gza gzr naa nae nag nan nar naz ne- nea nee neg nen ner nez nga nge ngg ngn nna nne nng nnn nnz nra nre nrg nrn nrr nrz nze nzg nzz ra- raa rae rag ran rar raz re- rea ree reg ren rer rez rga rge rgg rgn rgr rna rng rnn rnr rnz rra rrg rrn rrr rza rze z-g zaa zag zan zar zaz zea zee zen zer zez zgg zne znn zzr zzz