-er -ol bbb bbe bbl bbo bbr bbt be- beb bee bel beo ber bet bjj bjr bjt blb ble blj bll blo blr blt bob boe boj bol boo bor bot brb bre brj brl bro brr brt btb bte btl bto btr btt ebb ebe ebj ebl ebo ebr ebt eeb eee eel eeo eer eet ejl ejo ejt elb ele ell elo elr elt eo- eob eoe eol eoo eor eot erb ere erl ero err ert etb ete etj etl eto etr ett 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 lbb lbe lbj lbl lbo lbr lbt leb lee lej lel leo ler let lje ljj llb lle llj lll llo llr llt lob loe loj lol loo lor lot lrb lro lrr lrt ltb lte ltl lto ltr ltt ob- obb obe obj obl obo obr obt oeb oee oel oeo oer oet ojb oje ojo olb ole oll olo olt oo- oob ool ooo oor oot or- orb ore orl oro orr ort ot- otb ote otl oto otr ott rbb rbe rbl rbo rbr rbt re- reb ree rel reo rer ret rjr rle rll rlo rlr rlt rob roe roj rol roo ror rot rrb rrl rrr rrt rtb rte rtj rtl rto rtr rtt tbb tbe tbj tbl tbo tbr tbt te- teb tee tej tel teo ter tet tje tjo tjr tle tlj tll tlo tlr tlt to- tob toe toj tol too tor tot trb tre trl tro trr trt ttb tte ttl tto ttr ttt