-ol b-u bbb bbc bbe bbl bbo bbu bcb bcc bce bcj bcl bco bcu bcv be- beb bec bee bel beo beu bev bjc bjj bju blb blc ble blj bll blo blu blv bob boc boe boj bol boo bou bov bub buc bue buj bul buo buu bvb bvc bve bvl bvo bvu bvv c-- c-j cbb cbc cbe cbj cbl cbo cbu cbv ccb ccc cce ccj ccl cco ccu ccv ce- ceb cec cee cej cel ceo ceu cev cjb cjc cl- clb clc cle clj cll clo clu clv co- cob coc coe coj col coo cou cov cub cuc cue cul cuo cuu cuv cvb cvc cve cvl cvo cvu cvv ebb ebc ebe ebj ebl ebo ebu ebv ec- ecb ecc ece ecj ecl eco ecu ecv eeb eec eee eel eeo eev ejc ejl ejo eju elb elc ele ell elo elu elv eo- eob eoc eoe eol eoo eou eu- eub euc eue euj eul euv evb evc eve evl evo evv jbc jbj jbl jbo jbu jcb jcc jce jcl jco jcu jeb jec jee jej jel jeo jeu jjb jjc jjj jjl jju jlb jlc jle jll jlo jlu job joc joe joj jol joo jou jub jue jul juo juv jvb jvc jvl lbb lbc lbe lbj lbl lbo lbu lbv lcb lcc lce lcj lcl lco lcu lcv leb lec lee lej lel leo leu lev lje ljj lju llb llc lle llj lll llo llu llv lob loc loe loj lol loo lou lov lub luc lue lul luo luu luv lvb lvc lve lvl lvv ob- obb obc obe obj obl obo obu obv oc- ocb occ ocj ocl oco ocu ocv oeb oec oee oel oeo ojb ojc oje ojo oju olb olc ole oll olo olu oo- oob ooc ool ooo oov ou- ouc oue oul ouo ov- ovb ovc ove ovl ovo ovv ubb ubc ube ubl ubo ubu ubv ucb ucc uce ucj ucl uco ucu ucv ueb uec uee uel ujc ujo ulb ulc ule ull ulo ulu ulv uob uoc uoe uoj uol uoo uuc uue uuu uvb uvc uve uvl uvo uvu uvv v-e vbc vbl vbo vbv vcc vce vcl vco vcu veb vec vee vel veo veu vl- vlb vlc vle vll vlo vlv vob voc voe vol voo vou vov vue vul vuv vvb vvc vvo vvv