a-a a-b a-i a-z aaa aab aai aan aav aaz ab- aba abb abi abn abv abz ai- aia aib aii ain aiv aiz an- ana anb ani ann anv anz av- ava avb avi avn avz az- aza azb azi azn azz baa bab bai ban bav baz bba bbb bbi bbn bi- bia bib bii bin biv biz bna bnb bni bnn bnv bnz bva bvb bvi bvn bvv bza bzn bzz i-v ia- iaa iab iai ian iav iaz iba ibb ibi ibn ibv ibz iia iib iii iin in- ina inb ini inn inv iva ivb ivi ivv iza izi izz n-i naa nab nai nan nav naz nba nbb nbi nbn nbv nia nib nii nin niv niz nna nnb nni nnn nnv nnz nva nvb nvi nvn nvv nzb nzi nzz v-a vaa vab vai van vav vaz vba vbi vbv vbz vi- via vib vii vin viv viz vn- vna vni vnv vva vvb vvi vvv vvz vzn zaa zab zai zan zav zaz zbb zbv zia zib zin ziv ziz znn zvi zzz