a-a aaa aan aar aas aav an- ana ann anr ans anv ar- ara arn arr ars arv as- asa asn asr ass asv av- ava avn avr avs naa nan nar nas nav nna nnn nns nnv nra nrn nrr nrs nrv nsa nsn nsr nss nsv nva nvn nvv ra- raa ran rar ras rav rna rnn rnr rns rnv rra rrn rrr rrs rsa rsn rsr rss rsv rva rvn rvr rvs rvv saa san sar sas sav sna snn snr sns snv sr- sra srn srr srs srv ss- ssa ssn ssr sss ssv sva svn svr svs svv v-a vaa van var vas vav vn- vna vnr vns vnv vra vrn vrr vrs vsa vsn vsr vss vsv vva vvr vvs vvv