-er -ic -ol b-p bbb bbc bbe bbi bbl bbm bbo bbp bbr bbs bcb bcc bce bci bcl bcm bco bcp bcr bcs be- beb bec bee bei bel bem beo bep ber bes bi- bib bic bie bii bil bim bio bip bir bis blb blc ble bli bll blm blo blp blr bls bmb bmc bme bmi bml bmm bmo bmp bmr bms bob boc boe boi bol bom boo bop bor bos bpb bpc bpe bpi bpl bpm bpo bpp bpr bps brb bre bri brl brm bro brp brr brs bsb bsc bse bsi bsl bsm bso bsp bsr bss c-- cbb cbc cbe cbi cbl cbm cbo cbp cbr cbs ccb ccc cce cci ccl ccm cco ccp ccr ccs ce- ceb cec cee cei cel cem ceo cep cer ces ci- cib cic cie cii cil cim cio cip cir cis cl- clb clc cle cli cll clm clo clp clr cls cmb cmc cme cmi cml cmm cmo cmp cmr cms co- cob coc coe coi col com coo cop cor cos cpb cpc cpe cpi cpl cpm cpo cpp cpr cps crb crc cre cri crl crm cro crp crr crs csb csc cse csi csl csm cso csp csr css ebb ebc ebe ebi ebl ebm ebo ebp ebr ebs ec- ecb ecc ece eci ecl ecm eco ecr ecs eeb eec eee eel eem eeo eep eer ees eib eic eie eii eil eim eio eip eir eis elb elc ele eli ell elm elo elp elr els em- emb emc eme emi eml emm emo emp emr ems eo- eob eoc eoe eoi eol eom eoo eop eor eos ep- epb epc epe epi epl epm epo epp epr eps erb erc ere eri erl erm ero erp err ers es- esb esc ese esi esl esm eso esp esr ess ibb ibc ibe ibi ibl ibm ibo ibp ibr ibs icb icc ice ici icl icm ico icp icr ics ie- iec iee iei iel iem iep ier ies iib iic iie iii iil iim iio iip iir iis il- ilb ilc ile ili ill ilm ilo ilp ilr ils im- imb imc ime imi iml imm imo imp ims io- iob ioc ioe ioi iol iom ioo iop ior ios ipb ipc ipe ipi ipl ipm ipo ipp ipr ips ir- irb irc ire iri irl irm iro irp irr irs is- isb isc ise isi isl ism iso isp isr iss l-p lbb lbc lbe lbi lbl lbm lbo lbp lbr lbs lcb lcc lce lci lcl lcm lco lcp lcr lcs leb lec lee lei lel lem leo lep ler les lib lic lie lii lil lim lio lip lir lis llb llc lle lli lll llm llo llp llr lls lmb lmc lme lmi lml lmm lmo lmp lmr lms lob loc loe loi lol lom loo lop lor los lpb lpc lpe lpi lpl lpm lpo lpp lpr lps lrb lrc lri lrm lro lrp lrr lrs lsb lsc lse lsi lsl lsm lso lsp lsr lss m-o m-r mbb mbc mbe mbi mbl mbm mbo mbp mbr mbs mc- mcb mcc mce mci mcl mcm mco mcp mcr mcs meb mec mee mei mel mem meo mep mer mes mi- mib mic mie mii mil mim mio mip mir mis mlb mlc mle mli mll mlm mlo mlp mlr mls mmb mmc mme mmi mml mmm mmo mmp mmr mms mob moc moe moi mol mom moo mop mor mos mpb mpc mpe mpi mpl mpm mpo mpp mpr mps mrb mrc mre mri mrl mrm mro mrp mrr mrs msb msc mse msi msl msm mso msp msr mss o-i ob- obb obc obe obi obl obm obo obp obr obs oc- ocb occ oci ocl ocm oco ocp ocr ocs oeb oec oee oei oel oem oeo oep oer oes oib oic oie oii oil oim oio oip oir ois olb olc ole oli oll olm olo olp ols om- omb omc ome omi oml omm omo omp omr oms oo- oob ooc ooi ool oom ooo oop oor oos op- opb opc ope opi opl opm opo opp opr ops or- orb orc ore ori orl orm oro orp orr ors os- osb osc ose osi osl osm oso osp osr oss p-p pbb pbc pbe pbi pbl pbm pbo pbp pbr pbs pcb pcc pce pci pcl pcm pco pcp pcr pcs peb pec pee pei pel pem peo pep per pes pib pic pie pii pil pim pio pip pir pis plb plc ple pli pll plm plo plp plr pls pmb pmc pme pmi pml pmm pmo pmp pmr pms pob poc poe poi pol pom poo pop por pos ppb ppc ppe ppi ppl ppm ppo ppp ppr pps prb prc pre pri prl prm pro prp prr prs ps- psb psc pse psi psl psm pso psp psr pss rbb rbc rbe rbi rbl rbm rbo rbp rbr rbs rcb rcc rce rci rcl rcm rco rcp rcr rcs re- reb rec ree rei rel rem reo rep rer res rib ric rie rii ril rim rio rip rir ris rlc rle rli rll rlm rlo rlp rlr rls rmb rmc rme rmi rml rmm rmo rmp rmr rms rob roc roe roi rol rom roo rop ror ros rpb rpc rpe rpi rpl rpm rpo rpp rpr rps rrb rrc rri rrl rrm rrp rrr rrs rsb rsc rse rsi rsl rsm rso rsp rsr rss sbb sbc sbe sbi sbl sbm sbo sbp sbr sbs scb scc sce sci scl scm sco scp scr scs se- seb sec see sei sel sem seo sep ser ses sib sic sie sii sil sim sio sip sir sis slb slc sle sli sll slm slo slp slr sls smb smc sme smi sml smm smo smp smr sms sob soc soe soi sol som soo sop sor sos spb spc spe spi spl