a-a a-b a-i aaa aab aag aai aak aar aav aay ab- aba abb abg abi abk abr abv aby ag- aga agb agg agi agk agr agv agy ai- aia aib aig aii aik air aiv aiy aka akb akg aki akk akr akv ar- ara arb arg ari ark arr arv ary av- ava avb avg avi avk avr avy ay- aya ayi ayk ayr baa bab bag bai bak bar bav bay bba bbb bbg bbi bbk bbr bby bga bgb bgg bgi bgk bgr bgv bi- bia bib big bii bik bir biv biy bka bkb bkg bkk bkr bkv bra brb brg bri brk brr brv bry bva bvb bvg bvi bvk bvr bvv by- bya byg byi byk byr gaa gab gag gai gak gar gav gay gba gbg gbi gbk gbr gbv gby gga ggb ggg ggi ggr ggv gia gib gig gii gik gir giv giy gka gkb gra grb grg gri grk grr grv gry gva gvb gvg gvi gvk gvr gy- gya gyb gyr i-v ia- iaa iab iag iai iar iav iba ibb ibg ibi ibk ibr ibv iby iga igb igg igi igk igr igy iia iib iii iir ika ikb iki ikk ikr ikv ir- ira irb irg iri irk irr irv iry iva ivb ivg ivi ivr ivv ivy iya iyr iyy ka- kaa kab kag kai kak kar kav kay kba kbb kbi kbk kbr kga kgb kgi kgv kgy kia kib kig kii kik kir kiv kkb kki kkk kkr kkv kky kra krg kri krk krr krv kry kva kvb kvi kvk kvr kvv kya kyr ra- raa rab rag rai rak rar rav ray rba rbb rbg rbi rbk rbr rga rgb rgg rgi rgk rgr rgv ria rib rig rii rik rir riv riy rkb rkg rkk rkv rky rra rrb rrg rri rrk rrr rva rvb rvg rvi rvr rvv rvy ry- rya ryg ryk ryr ryy v-a vaa vab vag vai vak var vav vay vba vbg vbi vbk vbr vbv vga vgg vgr vi- via vib vig vii vik vir viv viy vka vkb vkg vra vrb vrg vri vrk vrr vry vva vvb vvg vvi vvr vvv vyg yaa yab yag yai yak yar yav yay ybg ybi ybr yby yga yig yii yir yka yki ykk yra yrg yva yvi yvr yvy yyb yyg yyy