-er -ol bbb bbe bbl bbo bbr bbt be- beb bee bel beo ber bet bev bjj bjr bjt blb ble blj bll blo blr blt blv bob boe boj bol boo bor bot bov brb bre brj brl bro brr brt brv btb bte btl bto btr btt btv bvb bve bvl bvo bvr bvt bvv ebb ebe ebj ebl ebo ebr ebt ebv eeb eee eel eeo eer eet eev ejl ejo ejt elb ele ell elo elr elt elv eo- eob eoe eol eoo eor eot erb ere erl ero err ert erv etb ete etj etl eto etr ett etv evb eve evl evo evr evt evv jbj jbl jbo jbr jbt jeb jee jej jel jeo jer jet jjb jjj jjl jjr jlb jle jll jlo jlr jlt job joe joj jol joo jor jot jrb jrl jro jrr jrt jtb jte jtl jtr jtt jtv jvb jvl jvt lbb lbe lbj lbl lbo lbr lbt lbv leb lee lej lel leo ler let lev lje ljj llb lle llj lll llo llr llt llv lob loe loj lol loo lor lot lov lrb lro lrr lrt lrv ltb lte ltl lto ltr ltt ltv lvb lve lvl lvr lvt lvv ob- obb obe obj obl obo obr obt obv oeb oee oel oeo oer oet ojb oje ojo olb ole oll olo olt oo- oob ool ooo oor oot oov or- orb ore orl oro orr ort orv ot- otb ote otl oto otr ott otv ov- ovb ove ovl ovo ovv rbb rbe rbl rbo rbr rbt re- reb ree rel reo rer ret rev rjr rle rll rlo rlr rlt rob roe roj rol roo ror rot rov rrb rrl rrr rrt rtb rte rtj rtl rto rtr rtt rtv rvb rve rvl rvo rvr rvt rvv tbb tbe tbj tbl tbo tbr tbt tbv te- teb tee tej tel teo ter tet tev tje tjo tjr tle tlj tll tlo tlr tlt tlv to- tob toe toj tol too tor tot tov trb tre trl tro trr trt trv ttb tte ttl tto ttr ttt ttv tvb tve tvl tvo tvr tvt v-e vbl vbo vbr vbv veb vee vel veo ver vet vl- vlb vle vll vlo vlt vlv vob voe vol voo vor vot vov vrb vre vrr vrt vtb vte vtl vto vtr vtt vtv vvb vvo vvr vvt vvv