a-a a-i aaa aai aas aav aax aay ai- aia aii ais aiv aix aiy as- asa asi ass asv asx asy av- ava avi avs avx avy ax- axa axi axs axv axx ay- aya ayi ays ayx i-v ia- iaa iai ias iav iia iii iis iix is- isa isi iss isv isy iva ivi ivs ivv ivx ivy ixi ixy iya iys iyy saa sai sas sav sax say sia sii sis siv six ss- ssa ssi sss ssv ssx sva svi svs svv svx svy sxi sxs sy- sya syi sys syx v-a vaa vai vas vav vax vay vi- via vii vis viv vix viy vsa vsi vss vsv vva vvi vvs vvv vxa vxs vxv xaa xas xav xia xii xis xiv xix xsa xsi xss xvi xxi xxv xxx xxy xyy yaa yai yas yav yax yay yii yis ysa ysi yss ysy yva yvi yvy yxa yxy yys yyy