-ol bbb bbe bbg bbi bbl bbo be- beb bee beg bei bel beo bev bgb bge bgg bgi bgl bgo bgv bi- bib bie big bii bil bio biv blb ble blg bli bll blo blv bob boe bog boi bol boo bov bvb bve bvg bvi bvl bvo bvv ebb ebe ebg ebi ebl ebo ebv eeb eee eeg eel eeo eev egb ege egg egi egl ego eib eie eig eii eil eio eiv elb ele elg eli ell elo elv eo- eob eoe eog eoi eol eoo evb eve evg evi evl evo evv gbe gbg gbi gbl gbo gbv ge- geb gee geg gei gel geo gev ggb ggg ggi ggo ggv gib gie gig gii gil gio giv glb gle glg gli gll glo glv gob goe gog goi gol goo gov gvb gve gvg gvi gvl gvo i-v ibb ibe ibg ibi ibl ibo ibv ie- iee ieg iei iel iev igb ige igg igi igl igo iib iie iii iil iio il- ilb ile ilg ili ill ilo ilv io- iob ioe iog ioi iol ioo iov ivb ive ivg ivi ivl ivo ivv lbb lbe lbg lbi lbl lbo lbv leb lee leg lei lel leo lev lgb lge lgg lgi lgl lgo lgv lib lie lig lii lil lio liv llb lle llg lli lll llo llv lob loe log loi lol loo lov lvb lve lvg lvi lvl lvv o-i ob- obb obe obg obi obl obo obv oeb oee oeg oei oel oeo oge ogg ogi ogl ogo oib oie oii oil oio oiv olb ole olg oli oll olo oo- oob oog ooi ool ooo oov ov- ovb ove ovi ovl ovo ovv v-e vbg vbi vbl vbo vbv veb vee veg vei vel veo vgg vgl vgo vi- vib vie vig vii vil vio viv vl- vlb vle vll vlo vlv vob voe vog voi vol voo vov vvb vvg vvi vvo vvv