a-a a-b a-i aaa aab aag aai aam aao aav ab- aba abb abg abi abm abo abv ag- aga agb agg agi agm ago agv ai- aia aib aig aii aim aio aiv ama amb amg ami amm amo amv aoa aob aog aoi aom aoo aov av- ava avb avg avi avm avo baa bab bag bai bam bao bav bba bbb bbg bbi bbm bbo bga bgb bgg bgi bgm bgo bgv bi- bia bib big bii bim bio biv bma bmb bmg bmi bmm bmo bmv boa bob bog boi bom boo bov bva bvb bvg bvi bvm bvo bvv gaa gab gag gai gam gao gav gba gbg gbi gbm gbo gbv gga ggb ggg ggi ggm ggo ggv gia gib gig gii gim gio giv gma gmb gmg gmi gmm gmo gmv goa gob gog goi gom goo gov gva gvb gvg gvi gvm gvo i-v ia- iaa iab iag iai iam iao iav iba ibb ibg ibi ibm ibo ibv iga igb igg igi igm igo iia iib iii iim iio im- ima imb img imi imm imo imv io- ioa iob iog ioi iom ioo iov iva ivb ivg ivi ivo ivv m-o m-v maa mab mag mai mam mao mav mba mbb mbg mbi mbm mbo mbv mga mgb mgi mgm mgo mgv mi- mia mib mig mii mim mio miv mma mmb mmg mmi mmm mmo mmv moa mob mog moi mom moo mov mva mvb mvg mvi mvm mvo mvv o-i oaa oab oag oai oam oao oav ob- oba obb obg obi obm obo obv oga ogg ogi ogo oia oib oii oim oio oiv om- oma omb omg omi omm omo omv oo- ooa oob oog ooi oom ooo oov ov- ova ovb ovi ovo ovv v-a vaa vab vag vai vam vao vav vba vbg vbi vbm vbo vbv vga vgg vgm vgo vi- via vib vig vii vim vio viv vm- vma vmi vmm vmo voa vob vog voi vom voo vov vva vvb vvg vvi vvm vvo vvv