a-a a-b a-i a-t a-z aaa aab aai aan aao aat aav aaz ab- aba abb abi abn abo abt abv abz ai- aia aib aii ain aio ait aiv aiz an- ana anb ani ann ano ant anv anz aoa aob aoi aon aoo aot aov at- ata atb ati atn ato att atv atz av- ava avb avi avn avo avt avz az- aza azb azi azn azo azt azz baa bab bai ban bao bat bav baz bba bbb bbi bbn bbo bbt bi- bia bib bii bin bio bit biv biz bna bnb bni bnn bno bnt bnv bnz boa bob boi bon boo bot bov boz bta btb bti btn bto btt btv btz bva bvb bvi bvn bvo bvt bvv bza bzn bzo bzz i-v ia- iaa iab iai ian iao iat iav iaz iba ibb ibi ibn ibo ibt ibv ibz iia iib iii iin iio iit in- ina inb ini inn ino int inv io- ioa iob ioi ion ioo iot iov ita itb iti itn ito itt itv itz iva ivb ivi ivo ivt ivv iza izi izo izz n-i naa nab nai nan nao nat nav naz nba nbb nbi nbn nbo nbt nbv nia nib nii nin nio nit niv niz nna nnb nni nnn nno nnt nnv nnz no- noa nob noi non noo not nov noz nta ntb nti ntn nto ntt ntv ntz nva nvb nvi nvn nvt nvv nzb nzi nzo nzz o-i oaa oab oai oan oao oat oav ob- oba obb obi obn obo obt obv oia oib oii oin oio oit oiv oiz on- ona onb oni onn ono ont oo- ooa oob ooi oon ooo oot oov ot- ota otb oti otn oto ott otv otz ov- ova ovb ovi ovo ovv oza ozo ozt ozz taa tab tai tan tao tat tav taz tba tbb tbi tbn tbo tbt tbv tbz tia tib tii tin tio tit tiv tiz tna tnb tni tnn tno tnt tnz to- toa tob toi ton too tot tov toz tta ttb tti ttn tto ttt ttv tva tvb tvi tvn tvo tvt tvz tza v-a vaa vab vai van vao vat vav vaz vba vbi vbo vbv vbz vi- via vib vii vin vio vit viv viz vn- vna vni vno vnv voa vob voi von voo vot vov voz vta vtb vti vto vtt vtv vtz vva vvb vvi vvo vvt vvv vvz vzn zaa zab zai zan zao zat zav zaz zbb zbt zbv zia zib zin zio zit ziv ziz znn zno zo- zoa zob zoi zon zoo zot zta ztv zvi zzt zzz