-er -ol bbb bbc bbe bbl bbo bbr bcb bcc bce bcj bcl bco bcr bcv be- beb bec bee bel beo ber bev bjc bjj bjr blb blc ble blj bll blo blr blv bob boc boe boj bol boo bor bov brb bre brj brl bro brr brv bvb bvc bve bvl bvo bvr bvv c-- c-j cbb cbc cbe cbj cbl cbo cbr cbv ccb ccc cce ccj ccl cco ccr ccv ce- ceb cec cee cej cel ceo cer cev cjb cjc cjr cl- clb clc cle clj cll clo clr clv co- cob coc coe coj col coo cor cov crb crc cre crj crl cro crr crv cvb cvc cve cvl cvo cvr cvv ebb ebc ebe ebj ebl ebo ebr ebv ec- ecb ecc ece ecj ecl eco ecr ecv eeb eec eee eel eeo eer eev ejc ejl ejo elb elc ele ell elo elr elv eo- eob eoc eoe eol eoo eor erb erc ere erl ero err erv evb evc eve evl evo evr evv jbc jbj jbl jbo jbr jcb jcc jce jcl jco jcr jeb jec jee jej jel jeo jer jjb jjc jjj jjl jjr jlb jlc jle jll jlo jlr job joc joe joj jol joo jor jrb jrc jrl jro jrr jvb jvc jvl lbb lbc lbe lbj lbl lbo lbr lbv lcb lcc lce lcj lcl lco lcr lcv leb lec lee lej lel leo ler lev lje ljj llb llc lle llj lll llo llr llv lob loc loe loj lol loo lor lov lrb lrc lro lrr lrv lvb lvc lve lvl lvr lvv ob- obb obc obe obj obl obo obr obv oc- ocb occ ocj ocl oco ocr ocv oeb oec oee oel oeo oer ojb ojc oje ojo olb olc ole oll olo oo- oob ooc ool ooo oor oov or- orb orc ore orl oro orr orv ov- ovb ovc ove ovl ovo ovv rbb rbc rbe rbl rbo rbr rcb rcc rce rcj rcl rco rcr rcv re- reb rec ree rel reo rer rev rjc rjr rlc rle rll rlo rlr rob roc roe roj rol roo ror rov rrb rrc rrl rrr rvb rvc rve rvl rvo rvr rvv v-e vbc vbl vbo vbr vbv vcc vce vcl vco vcr veb vec vee vel veo ver vl- vlb vlc vle vll vlo vlv vob voc voe vol voo vor vov vrb vrc vre vrr vvb vvc vvo vvr vvv