-al a-a a-b aaa aab aae aag aal aan aav ab- aba abb abe abg abl abn abv aea aeb aee aeg ael aen aev ag- aga agb age agg agl agn agv al- ala alb ale alg all aln alv an- ana anb ane ang anl ann anv av- ava avb ave avg avl avn baa bab bae bag bal ban bav bba bbb bbe bbg bbl bbn be- bea beb bee beg bel ben bev bga bgb bge bgg bgl bgn bgv bla blb ble blg bll bln blv bna bnb bne bng bnl bnn bnv bva bvb bve bvg bvl bvn bvv eaa eab eae eag eal ean eav eba ebb ebe ebg ebl ebn ebv eea eeb eee eeg eel een eev ega egb ege egg egl egn ela elb ele elg ell eln elv en- ena enb ene eng enl enn env eva evb eve evg evl evn evv gaa gab gae gag gal gan gav gba gbe gbg gbl gbn gbv ge- gea geb gee geg gel gen gev gga ggb ggg ggn ggv gla glb gle glg gll gln glv gna gnb gne gnl gnn gnv gva gvb gve gvg gvl gvn la- laa lab lae lag lal lan lav lba lbb lbe lbg lbl lbv lea leb lee leg lel len lev lga lgb lge lgg lgl lgn lgv lla llb lle llg lll lln llv lna lnb lne lng lnl lnn lva lvb lve lvg lvl lvn lvv naa nab nae nag nal nan nav nba nbb nbe nbg nbl nbn nbv ne- nea neb nee neg nel nen nev nga ngb nge ngg ngl ngn nla nlb nle nlg nll nln nlv nna nnb nne nng nnl nnn nnv nva nvb nve nvg nvl nvn nvv v-a v-e vaa vab vae vag val van vav vba vbg vbl vbv vea veb vee veg vel ven vga vgg vgl vgn vl- vla vlb vle vll vlv vn- vna vng vnl vnv vva vvb vvg vvv