a-a a-b a-i a-t aaa aab aag aai aan aao aat aav ab- aba abb abg abi abn abo abt abv ag- aga agb agg agi agn ago agt agv ai- aia aib aig aii ain aio ait aiv an- ana anb ang ani ann ano ant anv aoa aob aog aoi aon aoo aot aov at- ata atb atg ati atn ato att atv av- ava avb avg avi avn avo avt baa bab bag bai ban bao bat bav bba bbb bbg bbi bbn bbo bbt bga bgb bgg bgi bgn bgo bgt bgv bi- bia bib big bii bin bio bit biv bna bnb bng bni bnn bno bnt bnv boa bob bog boi bon boo bot bov bta btb btg bti btn bto btt btv bva bvb bvg bvi bvn bvo bvt bvv gaa gab gag gai gan gao gat gav gba gbg gbi gbn gbo gbt gbv gga ggb ggg ggi ggn ggo ggt ggv gia gib gig gii gin gio git giv gna gnb gni gnn gno gnt gnv goa gob gog goi gon goo got gov gta gtb gtg gti gtn gto gtt gtv gva gvb gvg gvi gvn gvo gvt i-v ia- iaa iab iag iai ian iao iat iav iba ibb ibg ibi ibn ibo ibt ibv iga igb igg igi ign igo igt iia iib iii iin iio iit in- ina inb ing ini inn ino int inv io- ioa iob iog ioi ion ioo iot iov ita itb itg iti itn ito itt itv iva ivb ivg ivi ivo ivt ivv n-i naa nab nag nai nan nao nat nav nba nbb nbg nbi nbn nbo nbt nbv nga ngb ngg ngi ngn ngo ngt nia nib nig nii nin nio nit niv nna nnb nng nni nnn nno nnt nnv no- noa nob nog noi non noo not nov nta ntb ntg nti ntn nto ntt ntv nva nvb nvg nvi nvn nvt nvv o-i oaa oab oag oai oan oao oat oav ob- oba obb obg obi obn obo obt obv oga ogg ogi ogn ogo ogt oia oib oii oin oio oit oiv on- ona onb ong oni onn ono ont oo- ooa oob oog ooi oon ooo oot oov ot- ota otb otg oti otn oto ott otv ov- ova ovb ovi ovo ovv taa tab tag tai tan tao tat tav tba tbb tbg tbi tbn tbo tbt tbv tga tgb tgg tgi tgn tgo tgt tgv tia tib tig tii tin tio tit tiv tna tnb tng tni tnn tno tnt to- toa tob tog toi ton too tot tov tta ttb ttg tti ttn tto ttt ttv tva tvb tvg tvi tvn tvo tvt v-a vaa vab vag vai van vao vat vav vba vbg vbi vbo vbv vga vgg vgn vgo vgt vi- via vib vig vii vin vio vit viv vn- vna vng vni vno vnv voa vob vog voi von voo vot vov vta vtb vtg vti vto vtt vtv vva vvb vvg vvi vvo vvt vvv