a-a a-z aaa aad aan aar aav aaz ad- ada add adn adr adv adz an- ana and ann anr anv anz ar- ara ard arn arr arv arz av- ava avd avn avr avz az- aza azd azn azz daa dad dan dar dav daz dda ddd ddn ddr ddz dna dnd dnn dnr dnz dra drd drn drr drv drz dva dvd dvn dvr dza dzd dzr naa nad nan nar nav naz nda ndd ndn ndr ndv nna nnn nnv nnz nra nrd nrn nrr nrv nrz nva nvd nvn nvv nzd nzz ra- raa rad ran rar rav raz rda rdd rdn rdr rdv rna rnd rnn rnr rnv rnz rra rrd rrn rrr rva rvd rvn rvr rvv rza v-a vaa vad van var vav vaz vdd vdr vdv vn- vna vnd vnr vnv vra vrd vrn vrr vva vvr vvv vvz vzn zaa zad zan zar zav zaz zdv znd znn zzr zzz