a-a aaa aaf aag aan aar aav aay af- afa aff afg afn afr afv afy ag- aga agf agg agn agr agv agy an- ana anf ang ann anr anv any ar- ara arf arg arn arr arv ary av- ava avf avg avn avr avy ay- aya ayf ayn ayr faa faf fag fan far fav fay ffa fff ffg ffn ffr ffv ffy fga fgf fgg fgn fgr fgv fna fnf fng fnn fnr fnv fra frf frg frn frr fry fva fvg fy- fya fyn gaa gaf gag gan gar gav gay gfa gff gfr gfy gga ggg ggn ggr ggv gna gnf gnn gnr gnv gra grf grg grn grr grv gry gva gvf gvg gvn gvr gy- gya gyf gyn gyr naa naf nag nan nar nav nay nfa nff nfn nfr nfv nga ngf ngg ngn nna nnf nng nnn nnv nra nrf nrg nrn nrr nrv nry nva nvg nvn nvv nya nyf nyg nyn nyy ra- raa raf rag ran rar rav ray rfa rff rfg rfn rfr rfv rga rgf rgg rgn rgr rgv rna rng rnn rnr rnv rny rra rrf rrg rrn rrr rva rvf rvg rvn rvr rvv rvy ry- rya ryf ryg ryn ryr ryy v-a vaa vag van var vav vay vfa vff vfg vfn vfr vfv vga vgf vgg vgn vgr vn- vna vnf vng vnr vnv vra vrf vrg vrn vrr vry vva vvg vvr vvv vyf vyg vyn yaa yaf yag yan yar yav yay yfa yff yfr yga yna yng ynn yny yra yrf yrg yrn yva yvr yvy yyf yyg yyy