a-a aaa aam aan aar aas ama amm amn amr ams an- ana anm ann anr ans ar- ara arm arn arr ars as- asa asm asn asr ass m-r maa mam man mar mas mma mmm mmn mmr mms mna mnm mnn mnr mns mra mrm mrn mrr mrs msa msm msn msr mss naa nam nan nar nas nma nmm nmn nmr nms nna nnm nnn nns nra nrm nrn nrr nrs nsa nsm nsn nsr nss ra- raa ram ran rar ras rma rmm rmn rmr rms rna rnm rnn rnr rns rra rrm rrn rrr rrs rsa rsm rsn rsr rss saa sam san sar sas sma smm smn smr sms sna snm snn snr sns sr- sra srm srn srr srs ss- ssa ssm ssn ssr sss