-ol -up b-p b-u bbb bbc bbe bbl bbo bbp bbu bcb bcc bce bcl bco bcp bcu be- beb bec bee bel beo bep beu blb blc ble bll blo blp blu bob boc boe bol boo bop bou bpb bpc bpe bpl bpo bpp bpu bub buc bue bul buo bup buu c-- cbb cbc cbe cbl cbo cbp cbu ccb ccc cce ccl cco ccp ccu ce- ceb cec cee cel ceo cep ceu cl- clb clc cle cll clo clp clu co- cob coc coe col coo cop cou cpb cpc cpe cpl cpo cpp cpu cub cuc cue cul cuo cup cuu ebb ebc ebe ebl ebo ebp ebu ec- ecb ecc ece ecl eco ecu eeb eec eee eel eeo eep elb elc ele ell elo elp elu eo- eob eoc eoe eol eoo eop eou ep- epb epc epe epl epo epp epu eu- eub euc eue eul eup l-p lbb lbc lbe lbl lbo lbp lbu lcb lcc lce lcl lco lcp lcu leb lec lee lel leo lep leu llb llc lle lll llo llp llu lob loc loe lol loo lop lou lpb lpc lpe lpl lpo lpp lpu lub luc lue lul luo lup luu ob- obb obc obe obl obo obp obu oc- ocb occ ocl oco ocp ocu oeb oec oee oel oeo oep olb olc ole oll olo olp olu oo- oob ooc ool ooo oop op- opb opc ope opl opo opp ou- ouc oue oul ouo oup p-p pbb pbc pbe pbl pbo pbp pbu pcb pcc pce pcl pco pcp pcu peb pec pee pel peo pep peu plb plc ple pll plo plp plu pob poc poe pol poo pop pou ppb ppc ppe ppl ppo ppp ppu pub puc pue pul pup puu ubb ubc ube ubl ubo ubp ubu ucb ucc uce ucl uco ucp ucu ueb uec uee uel uep ulb ulc ule ull ulo ulp ulu uob uoc uoe uol uoo uop up- upb upc upe upo upp upu uuc uue uuu