b-u bbb bbe bbg bbi bbl bbu be- beb bee beg bei bel beu bev bgb bge bgg bgi bgl bgu bgv bi- bib bie big bii bil biu biv blb ble blg bli bll blu blv bub bue bug bui bul buu bvb bve bvg bvi bvl bvu bvv ebb ebe ebg ebi ebl ebu ebv eeb eee eeg eel eev egb ege egg egi egl egu eib eie eig eii eil eiu eiv elb ele elg eli ell elu elv eu- eub eue eug eui eul euv evb eve evg evi evl evv gbe gbg gbi gbl gbu gbv ge- geb gee geg gei gel geu gev ggb ggg ggi ggu ggv gib gie gig gii gil giu giv glb gle glg gli gll glu glv gu- gub gue gug gui gul guu guv gvb gve gvg gvi gvl gvu i-v ibb ibe ibg ibi ibl ibu ibv ie- iee ieg iei iel iev igb ige igg igi igl igu iib iie iii iil iiu il- ilb ile ilg ili ill ilu ilv iu- iub iue iug iui ivb ive ivg ivi ivl ivu ivv lbb lbe lbg lbi lbl lbu lbv leb lee leg lei lel leu lev lgb lge lgg lgi lgl lgu lgv lib lie lig lii lil liu liv llb lle llg lli lll llu llv lub lue lug lui lul luu luv lvb lve lvg lvi lvl lvv ubb ube ubg ubi ubl ubu ubv ueb uee ueg uei uel ugb uge ugg ugi ugl ugu uib uie uig uii uil uiu ulb ule ulg uli ull ulu ulv uue uug uuu uvb uve uvl uvu uvv v-e vbg vbi vbl vbv veb vee veg vei vel veu vgg vgl vgu vi- vib vie vig vii vil viu viv vl- vlb vle vll vlv vue vug vul vuv vvb vvg vvi vvv