-er -ol b-p bbb bbc bbe bbl bbm bbo bbp bbr bbt bcb bcc bce bcl bcm bco bcp bcr bct be- beb bec bee bel bem beo bep ber bet blb blc ble bll blm blo blp blr blt bmb bmc bme bml bmm bmo bmp bmr bmt bob boc boe bol bom boo bop bor bot bpb bpc bpe bpl bpm bpo bpp bpr bpt brb bre brl brm bro brp brr brt btb btc bte btl btm bto btp btr btt c-- cbb cbc cbe cbl cbm cbo cbp cbr cbt ccb ccc cce ccl ccm cco ccp ccr cct ce- ceb cec cee cel cem ceo cep cer cet cl- clb clc cle cll clm clo clp clr clt cmb cmc cme cml cmm cmo cmp cmr cmt co- cob coc coe col com coo cop cor cot cpb cpc cpe cpl cpm cpo cpp cpr cpt crb crc cre crl crm cro crp crr crt ctb ctc cte ctl ctm cto ctp ctr ctt ebb ebc ebe ebl ebm ebo ebp ebr ebt ec- ecb ecc ece ecl ecm eco ecr ect eeb eec eee eel eem eeo eep eer eet elb elc ele ell elm elo elp elr elt em- emb emc eme eml emm emo emp emr emt eo- eob eoc eoe eol eom eoo eop eor eot ep- epb epc epe epl epm epo epp epr ept erb erc ere erl erm ero erp err ert etb etc ete etl etm eto etp etr ett l-p lbb lbc lbe lbl lbm lbo lbp lbr lbt lcb lcc lce lcl lcm lco lcp lcr lct leb lec lee lel lem leo lep ler let llb llc lle lll llm llo llp llr llt lmb lmc lme lml lmm lmo lmp lmr lmt lob loc loe lol lom loo lop lor lot lpb lpc lpe lpl lpm lpo lpp lpr lpt lrb lrc lrm lro lrp lrr lrt ltb ltc lte ltl ltm lto ltp ltr ltt m-o m-r mbb mbc mbe mbl mbm mbo mbp mbr mbt mc- mcb mcc mce mcl mcm mco mcp mcr mct meb mec mee mel mem meo mep mer met mlb mlc mle mll mlm mlo mlp mlr mlt mmb mmc mme mml mmm mmo mmp mmr mmt mob moc moe mol mom moo mop mor mot mpb mpc mpe mpl mpm mpo mpp mpr mpt mrb mrc mre mrl mrm mro mrp mrr mrt mtb mtc mte mtl mtm mto mtp mtr mtt ob- obb obc obe obl obm obo obp obr obt oc- ocb occ ocl ocm oco ocp ocr oct oeb oec oee oel oem oeo oep oer oet olb olc ole oll olm olo olp olt om- omb omc ome oml omm omo omp omr omt oo- oob ooc ool oom ooo oop oor oot op- opb opc ope opl opm opo opp opr opt or- orb orc ore orl orm oro orp orr ort ot- otb otc ote otl otm oto otp otr ott p-p pbb pbc pbe pbl pbm pbo pbp pbr pbt pcb pcc pce pcl pcm pco pcp pcr pct peb pec pee pel pem peo pep per pet plb plc ple pll plm plo plp plr plt pmb pmc pme pml pmm pmo pmp pmr pmt pob poc poe pol pom poo pop por pot ppb ppc ppe ppl ppm ppo ppp ppr ppt prb prc pre prl prm pro prp prr prt pt- ptb ptc pte ptl ptm pto ptp ptr ptt rbb rbc rbe rbl rbm rbo rbp rbr rbt rcb rcc rce rcl rcm rco rcp rcr rct re- reb rec ree rel rem reo rep rer ret rlc rle rll rlm rlo rlp rlr rlt rmb rmc rme rml rmm rmo rmp rmr rmt rob roc roe rol rom roo rop ror rot rpb rpc rpe rpl rpm rpo rpp rpr rpt rrb rrc rrl rrm rrp rrr rrt rtb rtc rte rtl rtm rto rtp rtr rtt tbb tbc tbe tbl tbm tbo tbp tbr tbt tcb tcc tce tcl tcm tco tcp tcr tct te- teb tec tee tel tem teo tep ter tet tlc tle tll tlm tlo tlp tlr tlt tmb tmc tme tml tmm tmo tmp tmr tmt to- tob toc toe tol tom too top tor tot tpb tpc tpe tpl tpm tpo tpp tpr tpt trb trc tre trl trm tro trp trr trt ttb ttc tte ttl ttm tto ttp ttr ttt