-er -ic -ol c-- ccc cce cci ccl cco ccp ccr ccs ccx ce- cec cee cei cel ceo cep cer ces cex ci- cic cie cii cil cio cip cir cis cix cl- clc cle cli cll clo clp clr cls clx co- coc coe coi col coo cop cor cos cox cpc cpe cpi cpl cpo cpp cpr cps cpx crc cre cri crl cro crp crr crs crx csc cse csi csl cso csp csr css csx cxc cxi cxl cxo cxp cxr cxs cxx ec- ecc ece eci ecl eco ecr ecs ecx eec eee eel eeo eep eer ees eex eic eie eii eil eio eip eir eis eix elc ele eli ell elo elp elr els elx eo- eoc eoe eoi eol eoo eop eor eos ep- epc epe epi epl epo epp epr eps epx erc ere eri erl ero erp err ers es- esc ese esi esl eso esp esr ess esx ex- exc exe exi exl exo exp exr exs exx icc ice ici icl ico icp icr ics ie- iec iee iei iel iep ier ies iex iic iie iii iil iio iip iir iis iix il- ilc ile ili ill ilo ilp ilr ils ilx io- ioc ioe ioi iol ioo iop ior ios ipc ipe ipi ipl ipo ipp ipr ips ipx ir- irc ire iri irl iro irp irr irs irx is- isc ise isi isl iso isp isr iss ixc ixe ixi ixl l-p lcc lce lci lcl lco lcp lcr lcs lcx lec lee lei lel leo lep ler les lex lic lie lii lil lio lip lir lis lix llc lle lli lll llo llp llr lls loc loe loi lol loo lop lor los lox lpc lpe lpi lpl lpo lpp lpr lps lpx lrc lri lro lrp lrr lrs lsc lse lsi lsl lso lsp lsr lss lxc lxi lxo lxr lxx o-i oc- occ oci ocl oco ocp ocr ocs ocx oec oee oei oel oeo oep oer oes oex oic oie oii oil oio oip oir ois olc ole oli oll olo olp ols oo- ooc ooi ool ooo oop oor oos oox op- opc ope opi opl opo opp opr ops opx or- orc ore ori orl oro orp orr ors orx os- osc ose osi osl oso osp osr oss osx ox- oxc oxi oxo oxx p-p pcc pce pci pcl pco pcp pcr pcs pcx pec pee pei pel peo pep per pes pex pic pie pii pil pio pip pir pis pix plc ple pli pll plo plp plr pls plx poc poe poi pol poo pop por pos pox ppc ppe ppi ppl ppo ppp ppr pps ppx prc pre pri prl pro prp prr prs prx ps- psc pse psi psl pso psp psr pss psx pxc pxe pxl pxr pxs rcc rce rci rcl rco rcp rcr rcs rcx re- rec ree rei rel reo rep rer res rex ric rie rii ril rio rip rir ris rix rlc rle rli rll rlo rlp rlr rls roc roe roi rol roo rop ror ros rox rpc rpe rpi rpl rpo rpp rpr rps rpx rrc rri rrl rrp rrr rrs rsc rse rsi rsl rso rsp rsr rss rsx rxp rxr rxs scc sce sci scl sco scp scr scs scx se- sec see sei sel seo sep ser ses sex sic sie sii sil sio sip sir sis six slc sle sli sll slo slp slr sls slx soc soe soi sol soo sop sor sos sox spc spe spi spl spo spp spr sps spx sr- src sre sri srl sro srp srr srs srx ss- ssc sse ssi ssl sso ssp ssr sss ssx sxc sxi sxl sxs xci xcl xcp xcr xcx xee xel xep xer xes xex xic xie xii xio xis xix xli xlr xls xoc xoi xoo xop xor xos xox xpc xpe xpl xpo xpp xps xrc xrx xsc xsi xsl xsp xss xxi xxl xxo xxp xxx