-ol b-u bbb bbe bbi bbl bbo bbu be- beb bee bei bel beo beu bev bi- bib bie bii bil bio biu biv blb ble bli bll blo blu blv bob boe boi bol boo bou bov bub bue bui bul buo buu bvb bve bvi bvl bvo bvu bvv ebb ebe ebi ebl ebo ebu ebv eeb eee eel eeo eev eib eie eii eil eio eiu eiv elb ele eli ell elo elu elv eo- eob eoe eoi eol eoo eou eu- eub eue eui eul euv evb eve evi evl evo evv i-v ibb ibe ibi ibl ibo ibu ibv ie- iee iei iel iev iib iie iii iil iio iiu il- ilb ile ili ill ilo ilu ilv io- iob ioe ioi iol ioo iou iov iu- iub iue iui ivb ive ivi ivl ivo ivu ivv lbb lbe lbi lbl lbo lbu lbv leb lee lei lel leo leu lev lib lie lii lil lio liu liv llb lle lli lll llo llu llv lob loe loi lol loo lou lov lub lue lui lul luo luu luv lvb lve lvi lvl lvv o-i ob- obb obe obi obl obo obu obv oeb oee oei oel oeo oib oie oii oil oio oiu oiv olb ole oli oll olo olu oo- oob ooi ool ooo oov ou- oue oui oul ouo ov- ovb ove ovi ovl ovo ovv ubb ube ubi ubl ubo ubu ubv ueb uee uei uel uib uie uii uil uio uiu ulb ule uli ull ulo ulu ulv uob uoe uol uoo uue uuu uvb uve uvl uvo uvu uvv v-e vbi vbl vbo vbv veb vee vei vel veo veu vi- vib vie vii vil vio viu viv vl- vlb vle vll vlo vlv vob voe voi vol voo vou vov vue vul vuv vvb vvi vvo vvv