tra trc tre trg tri trm tro trr trt trv try tta ttc tte ttg tti ttm tto ttr ttt ttv tty tva tvc tve tvg tvi tvm tvo tvr tvt tvy tya tyc tye tyg tym tyo tyr tyt v-a v-e vaa vac vae vag vai vam vao var vat vav vay vca vcc vce vci vcm vco vcr vct vcy vea vec vee veg vei vem veo ver vet vey vga vgc vgg vgm vgo vgr vgt vi- via vic vie vig vii vim vio vir vit viv viy vm- vma vmc vmi vmm vmo vmr vmt voa voc voe vog voi vom voo vor vot vov voy vra vrc vre vrg vri vrm vrr vrt vry vta vtc vte vtg vti vtm vto vtr vtt vtv vty vva vvc vvg vvi vvm vvo vvr vvt vvv vye vyg vym vyt yaa yac yae yag yai yam yao yar yat yav yay yca ycc yce yci yco ycv ycy yea yec yee yeg yei yem yeo yer yet yev yey yga ygc ygm ygo yie yig yii yim yio yir yit yma ymc yme ymg ymi ymm ymo ymt yoc yoe yog yoi yom yoo yor yot yoy yra yrc yre yrg yro yrt yta ytc yte ytm yto ytr ytt ytv yva yve yvi yvo yvr yvy yyc yye yyg yyt yyy