a-a a-b a-i aaa aab aag aai aak aan aav ab- aba abb abg abi abk abn abv ag- aga agb agg agi agk agn agv ai- aia aib aig aii aik ain aiv aka akb akg aki akk akn akv an- ana anb ang ani ank ann anv av- ava avb avg avi avk avn baa bab bag bai bak ban bav bba bbb bbg bbi bbk bbn bga bgb bgg bgi bgk bgn bgv bi- bia bib big bii bik bin biv bka bkb bkg bkk bkn bkv bna bnb bng bni bnk bnn bnv bva bvb bvg bvi bvk bvn bvv gaa gab gag gai gak gan gav gba gbg gbi gbk gbn gbv gga ggb ggg ggi ggn ggv gia gib gig gii gik gin giv gka gkb gkn gna gnb gni gnn gnv gva gvb gvg gvi gvk gvn i-v ia- iaa iab iag iai ian iav iba ibb ibg ibi ibk ibn ibv iga igb igg igi igk ign iia iib iii iin ika ikb iki ikk ikv in- ina inb ing ini ink inn inv iva ivb ivg ivi ivv ka- kaa kab kag kai kak kan kav kba kbb kbi kbk kbn kga kgb kgi kgv kia kib kig kii kik kin kiv kkb kki kkk kkn kkv kn- kna kng kni knk knn kva kvb kvi kvk kvn kvv n-i naa nab nag nai nak nan nav nba nbb nbg nbi nbk nbn nbv nga ngb ngg ngi ngk ngn nia nib nig nii nik nin niv nka nki nkk nkn nna nnb nng nni nnk nnn nnv nva nvb nvg nvi nvk nvn nvv v-a vaa vab vag vai vak van vav vba vbg vbi vbk vbv vga vgg vgn vi- via vib vig vii vik vin viv vka vkb vkg vn- vna vng vni vnv vva vvb vvg vvi vvv