-er eee eef een eer ef- efe eff efh efr ehe ehf ehh ehn ehr en- ene enf enh enn enr enz ere erf erh ern err erz eze ezf ezh ezr ezz fee fef feh fen fer fez ffe fff ffh ffn ffr ffz fhe fhf fhh fhn fhr fne fnf fnh fnn fnr fnz fre frf frh frn frr fzh he- hee hef heh hen her hez hfe hff hfh hfn hfr hhe hhf hhh hhn hhr hhz hne hnf hnh hnn hnz hr- hre hrf hrh hrn hrr hrz hze ne- nee nef neh nen ner nez nfe nff nfn nfr nhe nhf nhh nhn nhr nhz nne nnf nnh nnn nnz nre nrf nrn nrr nrz nze nzf nzz re- ree ref reh ren rer rez rfe rff rfh rfn rfr rfz rh- rhe rhf rhh rhn rhr rnh rnn rnr rnz rrf rrh rrn rrr rze zee zef zeh zen zer zez zfn zfr zhe zhr zne znn zrh zzr zzz