-er -ic -ol c-- ccc ccd cce cci ccl cco ccr cdc cdd cde cdi cdl cdo cdr ce- cec ced cee cei cel ceo cer ci- cic cid cie cii cil cio cir cl- clc cld cle cli cll clo clr co- coc cod coe coi col coo cor crc crd cre cri crl cro crr dcc dcd dce dci dcl dco dcr ddc ddd dde ddi ddl ddo ddr de- dec ded dee dei del deo der di- dic did die dii dil dio dir dl- dlc dld dle dli dll dlo dlr doc dod doe doi dol doo dor drc drd dre dri drl dro drr ec- ecc ecd ece eci ecl eco ecr ed- edc edd ede edi edl edo edr eec eed eee eel eeo eer eic eid eie eii eil eio eir elc eld ele eli ell elo elr eo- eoc eod eoe eoi eol eoo eor erc erd ere eri erl ero err i-d icc icd ice ici icl ico icr idc idd ide idi idl ido idr ie- iec ied iee iei iel ier iic iid iie iii iil iio iir il- ilc ild ile ili ill ilo ilr io- ioc iod ioe ioi iol ioo ior ir- irc ird ire iri irl iro irr lcc lcd lce lci lcl lco lcr ldc ldd lde ldi ldl ldo ldr lec led lee lei lel leo ler lic lid lie lii lil lio lir llc lld lle lli lll llo llr loc lod loe loi lol loo lor lrc lrd lri lro lrr o-i oc- occ ocd oci ocl oco ocr odc odd ode odi odl odo odr oec oed oee oei oel oeo oer oic oid oie oii oil oio oir olc old ole oli oll olo oo- ooc ood ooi ool ooo oor or- orc ord ore ori orl oro orr rcc rcd rce rci rcl rco rcr rdc rdd rde rdi rdl rdo rdr re- rec red ree rei rel reo rer ric rid rie rii ril rio rir rlc rld rle rli rll rlo rlr roc rod roe roi rol roo ror rrc rrd rri rrl rrr