-ol bbb bbc bbe bbl bbo bbt bcb bcc bce bcj bcl bco bct be- beb bec bee bel beo bet bjc bjj bjt blb blc ble blj bll blo blt bob boc boe boj bol boo bot btb btc bte btl bto btt c-- c-j cbb cbc cbe cbj cbl cbo cbt ccb ccc cce ccj ccl cco cct ce- ceb cec cee cej cel ceo cet cjb cjc cl- clb clc cle clj cll clo clt co- cob coc coe coj col coo cot ctb ctc cte ctl cto ctt ebb ebc ebe ebj ebl ebo ebt ec- ecb ecc ece ecj ecl eco ect eeb eec eee eel eeo eet ejc ejl ejo ejt elb elc ele ell elo elt eo- eob eoc eoe eol eoo eot etb etc ete etj etl eto ett jbc jbj jbl jbo jbt jcb jcc jce jcl jco jct jeb jec jee jej jel jeo jet jjb jjc jjj jjl jlb jlc jle jll jlo jlt job joc joe joj jol joo jot jtb jtc jte jtl jtt lbb lbc lbe lbj lbl lbo lbt lcb lcc lce lcj lcl lco lct leb lec lee lej lel leo let lje ljj llb llc lle llj lll llo llt lob loc loe loj lol loo lot ltb ltc lte ltl lto ltt ob- obb obc obe obj obl obo obt oc- ocb occ ocj ocl oco oct oeb oec oee oel oeo oet ojb ojc oje ojo olb olc ole oll olo olt oo- oob ooc ool ooo oot ot- otb otc ote otl oto ott tbb tbc tbe tbj tbl tbo tbt tcb tcc tce tcj tcl tco tct te- teb tec tee tej tel teo tet tjc tje tjo tlc tle tlj tll tlo tlt to- tob toc toe toj tol too tot ttb ttc tte ttl tto ttt