-er -ic -ol c-- ccc ccd cce cci ccl cco ccr ccx cdc cdd cde cdi cdl cdo cdr cdx ce- cec ced cee cei cel ceo cer cex ci- cic cid cie cii cil cio cir cix cl- clc cld cle cli cll clo clr clx co- coc cod coe coi col coo cor cox crc crd cre cri crl cro crr crx cxc cxi cxl cxo cxr cxx dcc dcd dce dci dcl dco dcr dcx ddc ddd dde ddi ddl ddo ddr ddx de- dec ded dee dei del deo der dex di- dic did die dii dil dio dir dix dl- dlc dld dle dli dll dlo dlr dlx doc dod doe doi dol doo dor dox drc drd dre dri drl dro drr drx dxc dxd dxi dxl dxo dxr dxx ec- ecc ecd ece eci ecl eco ecr ecx ed- edc edd ede edi edl edo edr edx eec eed eee eel eeo eer eex eic eid eie eii eil eio eir eix elc eld ele eli ell elo elr elx eo- eoc eod eoe eoi eol eoo eor erc erd ere eri erl ero err ex- exc exd exe exi exl exo exr exx i-d icc icd ice ici icl ico icr idc idd ide idi idl ido idr idx ie- iec ied iee iei iel ier iex iic iid iie iii iil iio iir iix il- ilc ild ile ili ill ilo ilr ilx io- ioc iod ioe ioi iol ioo ior ir- irc ird ire iri irl iro irr irx ixc ixe ixi ixl lcc lcd lce lci lcl lco lcr lcx ldc ldd lde ldi ldl ldo ldr lec led lee lei lel leo ler lex lic lid lie lii lil lio lir lix llc lld lle lli lll llo llr loc lod loe loi lol loo lor lox lrc lrd lri lro lrr lxc lxd lxi lxo lxr lxx o-i oc- occ ocd oci ocl oco ocr ocx odc odd ode odi odl odo odr oec oed oee oei oel oeo oer oex oic oid oie oii oil oio oir olc old ole oli oll olo oo- ooc ood ooi ool ooo oor oox or- orc ord ore ori orl oro orr orx ox- oxc oxi oxo oxx rcc rcd rce rci rcl rco rcr rcx rdc rdd rde rdi rdl rdo rdr rdx re- rec red ree rei rel reo rer rex ric rid rie rii ril rio rir rix rlc rld rle rli rll rlo rlr roc rod roe roi rol roo ror rox rrc rrd rri rrl rrr rxr xcd xci xcl xcr xcx xdc xde xdi xdr xed xee xel xer xex xic xie xii xio xix xld xli xlr xoc xod xoi xoo xor xox xrc xrd xrx xxi xxl xxo xxx