-er a-a aaa aad aae aag aan aar aav ad- ada add ade adg adn adr adv aea aed aee aeg aen aer aev ag- aga agd age agg agn agr agv an- ana and ane ang ann anr anv ar- ara ard are arg arn arr arv av- ava avd ave avg avn avr daa dad dae dag dan dar dav dda ddd dde ddg ddn ddr de- dea ded dee deg den der dev dga dgd dge dgg dgn dgr dna dnd dne dng dnn dnr dra drd dre drg drn drr drv dva dvd dve dvg dvn dvr eaa ead eae eag ean ear eav ed- eda edd ede edg edn edr eea eed eee eeg een eer eev ega egd ege egg egn egr en- ena end ene eng enn enr env era erd ere erg ern err erv eva evd eve evg evn evr evv g-d gaa gad gae gag gan gar gav gda gdd gde gdn gdr gdv ge- gea ged gee geg gen ger gev gga ggd ggg ggn ggr ggv gna gnd gne gnn gnr gnv gra grd gre grg grn grr grv gva gvd gve gvg gvn gvr naa nad nae nag nan nar nav nda ndd nde ndg ndn ndr ndv ne- nea ned nee neg nen ner nev nga ngd nge ngg ngn nna nne nng nnn nnv nra nrd nre nrg nrn nrr nrv nva nvd nve nvg nvn nvv ra- raa rad rae rag ran rar rav rda rdd rde rdg rdn rdr rdv re- rea red ree reg ren rer rev rga rgd rge rgg rgn rgr rgv rna rnd rng rnn rnr rnv rra rrd rrg rrn rrr rva rvd rve rvg rvn rvr rvv v-a v-e vaa vad vae vag van var vav vdd vde vdg vdr vdv vea ved vee veg ven ver vga vgg vgn vgr vn- vna vnd vng vnr vnv vra vrd vre vrg vrn vrr vva vvg vvr vvv