-er -ic c-- ccc ccd cce cci ccl ccp ccr ccs cct cdc cdd cde cdi cdl cdp cdr cds cdt ce- cec ced cee cei cel cep cer ces cet ci- cic cid cie cii cil cip cir cis cit cl- clc cld cle cli cll clp clr cls clt cpc cpd cpe cpi cpl cpp cpr cps cpt crc crd cre cri crl crp crr crs crt csc csd cse csi csl csp csr css cst ctc ctd cte cti ctl ctp ctr cts ctt dcc dcd dce dci dcl dcp dcr dcs dct ddc ddd dde ddi ddl ddp ddr dds ddt de- dec ded dee dei del dep der des det di- dic did die dii dil dip dir dis dit dl- dlc dld dle dli dll dlp dlr dls dlt dpc dpd dpe dpi dpl dpp dpr dps dpt drc drd dre dri drl drp drr drs drt dsc dsd dse dsi dsl dsp dsr dss dst dtc dtd dte dti dtl dtp dtr dts dtt ec- ecc ecd ece eci ecl ecr ecs ect ed- edc edd ede edi edl edp edr eds edt eec eed eee eel eep eer ees eet eic eid eie eii eil eip eir eis eit elc eld ele eli ell elp elr els elt ep- epc epd epe epi epl epp epr eps ept erc erd ere eri erl erp err ers ert es- esc esd ese esi esl esp esr ess est etc etd ete eti etl etp etr ets ett i-d icc icd ice ici icl icp icr ics ict idc idd ide idi idl idp idr ids idt ie- iec ied iee iei iel iep ier ies iet iic iid iie iii iil iip iir iis iit il- ilc ild ile ili ill ilp ilr ils ilt ipc ipd ipe ipi ipl ipp ipr ips ipt ir- irc ird ire iri irl irp irr irs irt is- isc isd ise isi isl isp isr iss ist itc itd ite iti itl itp its itt l-p lcc lcd lce lci lcl lcp lcr lcs lct ldc ldd lde ldi ldl ldp ldr lds ldt lec led lee lei lel lep ler les let lic lid lie lii lil lip lir lis lit llc lld lle lli lll llp llr lls llt lpc lpd lpe lpi lpl lpp lpr lps lpt lrc lrd lri lrp lrr lrs lrt lsc lsd lse lsi lsl lsp lsr lss lst ltc ltd lte lti ltl ltp ltr lts ltt p-p pcc pcd pce pci pcl pcp pcr pcs pct pdc pdd pde pdi pdl pdp pdr pds pdt pec ped pee pei pel pep per pes pet pic pid pie pii pil pip pir pis pit plc pld ple pli pll plp plr pls plt ppc ppd ppe ppi ppl ppp ppr pps ppt prc prd pre pri prl prp prr prs prt ps- psc psd pse psi psl psp psr pss pst pt- ptc ptd pte pti ptl ptp ptr pts ptt rcc rcd rce rci rcl rcp rcr rcs rct rdc rdd rde rdi rdl rdp rdr rds rdt re- rec red ree rei rel rep rer res ret ric rid rie rii ril rip rir ris rit rlc rld rle rli rll rlp rlr rls rlt rpc rpd rpe rpi rpl rpp rpr rps rpt rrc rrd rri rrl rrp rrr rrs rrt rsc rsd rse rsi rsl rsp rsr rss rst rtc rtd rte rti rtl rtp rtr rts rtt scc scd sce sci scl scp scr scs sct sdc sdd sde sdi sdl sdp sdr sds sdt se- sec sed see sei sel sep ser ses set sic sid sie sii sil sip sir sis sit slc sld sle sli sll slp slr sls slt spc spd spe spi spl spp spr sps spt sr- src srd sre sri srl srp srr srs srt ss- ssc ssd sse ssi ssl ssp ssr sss sst stc std ste sti stl stp str sts stt tcc tcd tce tci tcl tcp tcr tcs tct tdc tdd tde tdi tdl tdp tdr tds tdt te- tec ted tee tei tel tep ter tes tet tic tid tie tii til tip tir tis tit tlc tld tle tli tll tlp tlr tls tlt tpc tpd tpe tpi tpl tpp tpr tps tpt trc trd tre tri trl trp trr trs trt tsc tsd tse tsi tsl tsp tsr tss tst ttc ttd tte tti ttl ttp ttr tts ttt