-er -ic -ol c-- ccc ccd cce ccf cci ccl cco ccr cct cdc cdd cde cdf cdi cdl cdo cdr cdt ce- cec ced cee cef cei cel ceo cer cet cfc cfd cfe cff cfi cfl cfo cfr cft ci- cic cid cie cif cii cil cio cir cit cl- clc cld cle clf cli cll clo clr clt co- coc cod coe cof coi col coo cor cot crc crd cre crf cri crl cro crr crt ctc ctd cte ctf cti ctl cto ctr ctt dcc dcd dce dcf dci dcl dco dcr dct ddc ddd dde ddf ddi ddl ddo ddr ddt de- dec ded dee def dei del deo der det dfc dfd dfe dff dfi dfl dfo dfr dft di- dic did die dif dii dil dio dir dit dl- dlc dld dle dlf dli dll dlo dlr dlt doc dod doe dof doi dol doo dor dot drc drd dre dri drl dro drr drt dtc dtd dte dtf dti dtl dto dtr dtt ec- ecc ecd ece ecf eci ecl eco ecr ect ed- edc edd ede edf edi edl edo edr edt eec eed eee eef eel eeo eer eet ef- efc efd efe eff efi efl efo efr eft eic eid eie eif eii eil eio eir eit elc eld ele elf eli ell elo elr elt eo- eoc eod eoe eof eoi eol eoo eor eot erc erd ere erf eri erl ero err ert etc etd ete etf eti etl eto etr ett fcc fcd fce fcf fci fcl fco fcr fct fdc fdd fde fdf fdi fdl fdo fdr fdt fec fed fee fef fei fel feo fer fet ffc ffd ffe fff ffi ffl ffo ffr fft fic fid fie fif fii fil fir fit flc fld fle flf fli fll flo flr flt foc foe fof foi fol foo for fot frc frd fre frf fri frl fro frr frt ftc ftd fte ftf fti ftl fto ftr ftt i-d i-f icc icd ice icf ici icl ico icr ict idc idd ide idf idi idl ido idr idt ie- iec ied iee ief iei iel ier iet ifc ifd ife iff ifi ifl ifo ifr ift iic iid iie iif iii iil iio iir iit il- ilc ild ile ilf ili ill ilo ilr ilt io- ioc iod ioe iof ioi iol ioo ior iot ir- irc ird ire irf iri irl iro irr irt itc itd ite itf iti itl ito itt lcc lcd lce lcf lci lcl lco lcr lct ldc ldd lde ldf ldi ldl ldo ldr ldt lec led lee lef lei lel leo ler let lfc lfd lfe lff lfi lfl lfo lfr lft lic lid lie lif lii lil lio lir lit llc lld lle llf lli lll llo llr llt loc lod loe lof loi lol loo lor lot lrc lrd lrf lri lro lrr lrt ltc ltd lte ltf lti ltl lto ltr ltt o-i oc- occ ocd ocf oci ocl oco ocr oct odc odd ode odf odi odl odo odr odt oec oed oee oef oei oel oeo oer oet of- ofc ofd ofe off ofi ofl ofo ofr oft oic oid oie oif oii oil oio oir oit olc old ole olf oli oll olo olt oo- ooc ood oof ooi ool ooo oor oot or- orc ord ore orf ori orl oro orr ort ot- otc otd ote otf oti otl oto otr ott rcc rcd rce rcf rci rcl rco rcr rct rdc rdd rde rdf rdi rdl rdo rdr rdt re- rec red ree ref rei rel reo rer ret rfc rfd rfe rff rfi rfl rfo rfr rft ric rid rie rif rii ril rio rir rit rlc rld rle rlf rli rll rlo rlr rlt roc rod roe rof roi rol roo ror rot rrc rrd rrf rri rrl rrr rrt rtc rtd rte rtf rti rtl rto rtr rtt tcc tcd tce tcf tci tcl tco tcr tct tdc tdd tde tdf tdi tdl tdo tdr tdt te- tec ted tee tef tei tel teo ter tet tfc tfd tfe tff tfi tfl tfo tfr tft tic tid tie tif tii til tio tir tit tlc tld tle tlf tli tll tlo tlr tlt to- toc tod toe tof toi tol too tor tot trc trd tre trf tri trl tro trr trt ttc ttd tte ttf tti ttl tto ttr ttt