-er b-p bbb bbc bbe bbk bbo bbp bbr bbw bcb bcc bce bck bco bcp bcr be- beb bec bee bek beo bep ber bew bkb bkc bke bkk bko bkp bkr bkw bob boc boe bok boo bop bor bow bpb bpc bpe bpo bpp bpr bpw brb bre brk bro brp brr brw bwb bwc bwk bwo bwp bwr c-- cbb cbc cbe cbk cbo cbp cbr cbw ccb ccc cce cck cco ccp ccr ccw ce- ceb cec cee cek ceo cep cer cew ckb ckc cko ckw co- cob coc coe cok coo cop cor cow cpb cpc cpe cpk cpo cpp cpr cpw crb crc cre crk cro crp crr crw cw- cwb cwc cwe cwk cwo cwp cwr ebb ebc ebe ebk ebo ebp ebr ebw ec- ecb ecc ece eck eco ecr ecw eeb eec eee eek eeo eep eer eew ekb ekc eke eko ekp ekr eo- eob eoc eoe eok eoo eop eor eow ep- epb epc epe epo epp epr epw erb erc ere erk ero erp err erw ewb ewc ewe ewk ewo ewp ewr eww kbb kbc kbe kbk kbo kbp kbr kbw kcb kcc kce kck kcp kcr ke- keb kec kee kek keo kep ker kew kkb kkc kke kkk kkp kkr kob koc koe kok koo kop kor kow kpc kpe kpk kpo kpp kpr kpw krc krk kro krp krr krw kw- kwc kwk kwo kwp kww ob- obb obc obe obk obo obp obr obw oc- ocb occ ock oco ocp ocr ocw oeb oec oee oeo oep oer okb okc oke okk oko okp okr okw oo- oob ooc ook ooo oop oor oow op- opb opc ope opk opo opp opr opw or- orb orc ore ork oro orp orr owb owc owe owk owo owp oww p-p pbb pbc pbe pbk pbo pbp pbr pbw pcb pcc pce pck pco pcp pcr pcw peb pec pee pek peo pep per pew pkb pkc pke pko pkp pkr pob poc poe pok poo pop por pow ppb ppc ppe ppk ppo ppp ppr ppw prb prc pre prk pro prp prr prw pwb pwc pwe pwo pwp pwr rbb rbc rbe rbk rbo rbp rbr rbw rcb rcc rce rco rcp rcr rcw re- reb rec ree rek reo rep rer rew rkb rkc rke rkk rko rkp rob roc roe rok roo rop ror row rpb rpc rpe rpk rpo rpp rpr rpw rrb rrc rrk rrp rrr rwb rwc rwe rwr wbb wbc wbe wbo wbr wbw wcb wcc wce wck wco wcp wcr wcw web wec wee wek weo wep wer wew wkb wkc wke wko wkp wkr wkw wob woc woe wok woo wop wor wow wpb wpc wpe wpk wpo wpp wpr wr- wrc wre wrk wro wrp wrr wrw wwc wwe wwo wwp www

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