-er -ic -ol c-- ccc ccd cce ccg cci ccl cco ccr cdc cdd cde cdg cdi cdl cdo cdr ce- cec ced cee ceg cei cel ceo cer cgc cgd cge cgg cgi cgl cgo cgr ci- cic cid cie cig cii cil cio cir cl- clc cld cle clg cli cll clo clr co- coc cod coe cog coi col coo cor crc crd cre crg cri crl cro crr dcc dcd dce dcg dci dcl dco dcr ddc ddd dde ddg ddi ddl ddo ddr de- dec ded dee deg dei del deo der dgc dgd dge dgg dgi dgl dgr di- dic did die dig dii dil dio dir dl- dlc dld dle dlg dli dll dlo dlr doc dod doe dog doi dol doo dor drc drd dre drg dri drl dro drr ec- ecc ecd ece ecg eci ecl eco ecr ed- edc edd ede edg edi edl edo edr eec eed eee eeg eel eeo eer egc egd ege egg egi egl ego egr eic eid eie eig eii eil eio eir elc eld ele elg eli ell elo elr eo- eoc eod eoe eog eoi eol eoo eor erc erd ere erg eri erl ero err g-d gcc gcd gce gcg gci gcl gco gcr gdc gdd gde gdi gdl gdo gdr ge- gec ged gee geg gei gel geo ger ggc ggd ggg ggi ggo ggr gic gid gie gig gii gil gio gir glc gld gle glg gli gll glo glr goc god goe gog goi gol goo gor grc grd gre grg gri grl gro grr i-d icc icd ice icg ici icl ico icr idc idd ide idg idi idl ido idr ie- iec ied iee ieg iei iel ier igc igd ige igg igi igl igo igr iic iid iie iii iil iio iir il- ilc ild ile ilg ili ill ilo ilr io- ioc iod ioe iog ioi iol ioo ior ir- irc ird ire irg iri irl iro irr lcc lcd lce lcg lci lcl lco lcr ldc ldd lde ldg ldi ldl ldo ldr lec led lee leg lei lel leo ler lgc lgd lge lgg lgi lgl lgo lgr lic lid lie lig lii lil lio lir llc lld lle llg lli lll llo llr loc lod loe log loi lol loo lor lrc lrd lrg lri lro lrr o-i oc- occ ocd ocg oci ocl oco ocr odc odd ode odg odi odl odo odr oec oed oee oeg oei oel oeo oer ogc ogd oge ogg ogi ogl ogo oic oid oie oii oil oio oir olc old ole olg oli oll olo oo- ooc ood oog ooi ool ooo oor or- orc ord ore org ori orl oro orr rcc rcd rce rcg rci rcl rco rcr rdc rdd rde rdg rdi rdl rdo rdr re- rec red ree reg rei rel reo rer rgc rgd rge rgg rgi rgo rgr ric rid rie rig rii ril rio rir rlc rld rle rlg rli rll rlo rlr roc rod roe rog roi rol roo ror rrc rrd rrg rri rrl rrr