a-a aaa aad aan aar aas aav ad- ada add adn adr ads adv an- ana and ann anr ans anv ar- ara ard arn arr ars arv as- asa asd asn asr ass asv av- ava avd avn avr avs daa dad dan dar das dav dda ddd ddn ddr dds dna dnd dnn dnr dns dra drd drn drr drs drv dsa dsd dsn dsr dss dsv dva dvd dvn dvr dvs naa nad nan nar nas nav nda ndd ndn ndr nds ndv nna nnn nns nnv nra nrd nrn nrr nrs nrv nsa nsd nsn nsr nss nsv nva nvd nvn nvv ra- raa rad ran rar ras rav rda rdd rdn rdr rds rdv rna rnd rnn rnr rns rnv rra rrd rrn rrr rrs rsa rsd rsn rsr rss rsv rva rvd rvn rvr rvs rvv saa sad san sar sas sav sda sdd sdn sdr sds sdv sna snd snn snr sns snv sr- sra srd srn srr srs srv ss- ssa ssd ssn ssr sss ssv sva svd svn svr svs svv v-a vaa vad van var vas vav vdd vdr vds vdv vn- vna vnd vnr vns vnv vra vrd vrn vrr vrs vsa vsd vsn vsr vss vsv vva vvr vvs vvv