-er -ic -ol b-p bbb bbc bbe bbi bbl bbo bbp bbr bbs bcb bcc bce bci bcl bco bcp bcr bcs be- beb bec bee bei bel beo bep ber bes bi- bib bic bie bii bil bio bip bir bis blb blc ble bli bll blo blp blr bls bob boc boe boi bol boo bop bor bos bpb bpc bpe bpi bpl bpo bpp bpr bps brb bre bri brl bro brp brr brs bsb bsc bse bsi bsl bso bsp bsr bss c-- cbb cbc cbe cbi cbl cbo cbp cbr cbs ccb ccc cce cci ccl cco ccp ccr ccs ce- ceb cec cee cei cel ceo cep cer ces ci- cib cic cie cii cil cio cip cir cis cl- clb clc cle cli cll clo clp clr cls co- cob coc coe coi col coo cop cor cos cpb cpc cpe cpi cpl cpo cpp cpr cps crb crc cre cri crl cro crp crr crs csb csc cse csi csl cso csp csr css ebb ebc ebe ebi ebl ebo ebp ebr ebs ec- ecb ecc ece eci ecl eco ecr ecs eeb eec eee eel eeo eep eer ees eib eic eie eii eil eio eip eir eis elb elc ele eli ell elo elp elr els eo- eob eoc eoe eoi eol eoo eop eor eos ep- epb epc epe epi epl epo epp epr eps erb erc ere eri erl ero erp err ers es- esb esc ese esi esl eso esp esr ess ibb ibc ibe ibi ibl ibo ibp ibr ibs icb icc ice ici icl ico icp icr ics ie- iec iee iei iel iep ier ies iib iic iie iii iil iio iip iir iis il- ilb ilc ile ili ill ilo ilp ilr ils io- iob ioc ioe ioi iol ioo iop ior ios ipb ipc ipe ipi ipl ipo ipp ipr ips ir- irb irc ire iri irl iro irp irr irs is- isb isc ise isi isl iso isp isr iss l-p lbb lbc lbe lbi lbl lbo lbp lbr lbs lcb lcc lce lci lcl lco lcp lcr lcs leb lec lee lei lel leo lep ler les lib lic lie lii lil lio lip lir lis llb llc lle lli lll llo llp llr lls lob loc loe loi lol loo lop lor los lpb lpc lpe lpi lpl lpo lpp lpr lps lrb lrc lri lro lrp lrr lrs lsb lsc lse lsi lsl lso lsp lsr lss o-i ob- obb obc obe obi obl obo obp obr obs oc- ocb occ oci ocl oco ocp ocr ocs oeb oec oee oei oel oeo oep oer oes oib oic oie oii oil oio oip oir ois olb olc ole oli oll olo olp ols oo- oob ooc ooi ool ooo oop oor oos op- opb opc ope opi opl opo opp opr ops or- orb orc ore ori orl oro orp orr ors os- osb osc ose osi osl oso osp osr oss p-p pbb pbc pbe pbi pbl pbo pbp pbr pbs pcb pcc pce pci pcl pco pcp pcr pcs peb pec pee pei pel peo pep per pes pib pic pie pii pil pio pip pir pis plb plc ple pli pll plo plp plr pls pob poc poe poi pol poo pop por pos ppb ppc ppe ppi ppl ppo ppp ppr pps prb prc pre pri prl pro prp prr prs ps- psb psc pse psi psl pso psp psr pss rbb rbc rbe rbi rbl rbo rbp rbr rbs rcb rcc rce rci rcl rco rcp rcr rcs re- reb rec ree rei rel reo rep rer res rib ric rie rii ril rio rip rir ris rlc rle rli rll rlo rlp rlr rls rob roc roe roi rol roo rop ror ros rpb rpc rpe rpi rpl rpo rpp rpr rps rrb rrc rri rrl rrp rrr rrs rsb rsc rse rsi rsl rso rsp rsr rss sbb sbc sbe sbi sbl sbo sbp sbr sbs scb scc sce sci scl sco scp scr scs se- seb sec see sei sel seo sep ser ses sib sic sie sii sil sio sip sir sis slb slc sle sli sll slo slp slr sls sob soc soe soi sol soo sop sor sos spb spc spe spi spl spo spp spr sps sr- srb src sre sri srl sro srp srr srs ss- ssb ssc sse ssi ssl sso ssp ssr sss