-ol bbb bbe bbl bbo bbt be- beb bee bel beo bet bjj bjt blb ble blj bll blo blt bob boe boj bol boo bot btb bte btl bto btt ebb ebe ebj ebl ebo ebt eeb eee eel eeo eet ejl ejo ejt elb ele ell elo elt eo- eob eoe eol eoo eot etb ete etj etl eto ett jbj jbl jbo jbt jeb jee jej jel jeo jet jjb jjj jjl jlb jle jll jlo jlt job joe joj jol joo jot jtb jte jtl jtt lbb lbe lbj lbl lbo lbt leb lee lej lel leo let lje ljj llb lle llj lll llo llt lob loe loj lol loo lot ltb lte ltl lto ltt ob- obb obe obj obl obo obt oeb oee oel oeo oet ojb oje ojo olb ole oll olo olt oo- oob ool ooo oot ot- otb ote otl oto ott tbb tbe tbj tbl tbo tbt te- teb tee tej tel teo tet tje tjo tle tlj tll tlo tlt to- tob toe toj tol too tot ttb tte ttl tto ttt