-er -ic -ol c-- ccc ccd cce cci ccl cco ccr ccs cdc cdd cde cdi cdl cdo cdr cds ce- cec ced cee cei cel ceo cer ces ci- cic cid cie cii cil cio cir cis cl- clc cld cle cli cll clo clr cls co- coc cod coe coi col coo cor cos crc crd cre cri crl cro crr crs csc csd cse csi csl cso csr css dcc dcd dce dci dcl dco dcr dcs ddc ddd dde ddi ddl ddo ddr dds de- dec ded dee dei del deo der des di- dic did die dii dil dio dir dis dl- dlc dld dle dli dll dlo dlr dls doc dod doe doi dol doo dor dos drc drd dre dri drl dro drr drs dsc dsd dse dsi dsl dso dsr dss ec- ecc ecd ece eci ecl eco ecr ecs ed- edc edd ede edi edl edo edr eds eec eed eee eel eeo eer ees eic eid eie eii eil eio eir eis elc eld ele eli ell elo elr els eo- eoc eod eoe eoi eol eoo eor eos erc erd ere eri erl ero err ers es- esc esd ese esi esl eso esr ess i-d icc icd ice ici icl ico icr ics idc idd ide idi idl ido idr ids ie- iec ied iee iei iel ier ies iic iid iie iii iil iio iir iis il- ilc ild ile ili ill ilo ilr ils io- ioc iod ioe ioi iol ioo ior ios ir- irc ird ire iri irl iro irr irs is- isc isd ise isi isl iso isr iss lcc lcd lce lci lcl lco lcr lcs ldc ldd lde ldi ldl ldo ldr lds lec led lee lei lel leo ler les lic lid lie lii lil lio lir lis llc lld lle lli lll llo llr lls loc lod loe loi lol loo lor los lrc lrd lri lro lrr lrs lsc lsd lse lsi lsl lso lsr lss o-i oc- occ ocd oci ocl oco ocr ocs odc odd ode odi odl odo odr ods oec oed oee oei oel oeo oer oes oic oid oie oii oil oio oir ois olc old ole oli oll olo ols oo- ooc ood ooi ool ooo oor oos or- orc ord ore ori orl oro orr ors os- osc osd ose osi osl oso osr oss rcc rcd rce rci rcl rco rcr rcs rdc rdd rde rdi rdl rdo rdr rds re- rec red ree rei rel reo rer res ric rid rie rii ril rio rir ris rlc rld rle rli rll rlo rlr rls roc rod roe roi rol roo ror ros rrc rrd rri rrl rrr rrs rsc rsd rse rsi rsl rso rsr rss scc scd sce sci scl sco scr scs sdc sdd sde sdi sdl sdo sdr sds se- sec sed see sei sel seo ser ses sic sid sie sii sil sio sir sis slc sld sle sli sll slo slr sls soc sod soe soi sol soo sor sos sr- src srd sre sri srl sro srr srs ss- ssc ssd sse ssi ssl sso ssr sss