a-a a-z aaa aan aar aas aaz an- ana ann anr ans anz ar- ara arn arr ars arz as- asa asn asr ass asz az- aza azn azs azz naa nan nar nas naz nna nnn nns nnz nra nrn nrr nrs nrz nsa nsn nsr nss nsz nzs nzz ra- raa ran rar ras raz rna rnn rnr rns rnz rra rrn rrr rrs rsa rsn rsr rss rza saa san sar sas saz sna snn snr sns sr- sra srn srr srs ss- ssa ssn ssr sss ssz sza szr zaa zan zar zas zaz znn zns zrs zsa zsz zzr zzs zzz