-er -ic -ol c-- ccc ccd cce ccg cci ccl cco ccr cct cdc cdd cde cdg cdi cdl cdo cdr cdt ce- cec ced cee ceg cei cel ceo cer cet cgc cgd cge cgg cgi cgl cgo cgr cgt ci- cic cid cie cig cii cil cio cir cit cl- clc cld cle clg cli cll clo clr clt co- coc cod coe cog coi col coo cor cot crc crd cre crg cri crl cro crr crt ctc ctd cte ctg cti ctl cto ctr ctt dcc dcd dce dcg dci dcl dco dcr dct ddc ddd dde ddg ddi ddl ddo ddr ddt de- dec ded dee deg dei del deo der det dgc dgd dge dgg dgi dgl dgr dgt di- dic did die dig dii dil dio dir dit dl- dlc dld dle dlg dli dll dlo dlr dlt doc dod doe dog doi dol doo dor dot drc drd dre drg dri drl dro drr drt dtc dtd dte dtg dti dtl dto dtr dtt ec- ecc ecd ece ecg eci ecl eco ecr ect ed- edc edd ede edg edi edl edo edr edt eec eed eee eeg eel eeo eer eet egc egd ege egg egi egl ego egr egt eic eid eie eig eii eil eio eir eit elc eld ele elg eli ell elo elr elt eo- eoc eod eoe eog eoi eol eoo eor eot erc erd ere erg eri erl ero err ert etc etd ete etg eti etl eto etr ett g-d gcc gcd gce gcg gci gcl gco gcr gct gdc gdd gde gdi gdl gdo gdr gdt ge- gec ged gee geg gei gel geo ger get ggc ggd ggg ggi ggo ggr ggt gic gid gie gig gii gil gio gir git glc gld gle glg gli gll glo glr glt goc god goe gog goi gol goo gor got grc grd gre grg gri grl gro grr grt gtc gtd gte gtg gti gtl gto gtr gtt i-d icc icd ice icg ici icl ico icr ict idc idd ide idg idi idl ido idr idt ie- iec ied iee ieg iei iel ier iet igc igd ige igg igi igl igo igr igt iic iid iie iii iil iio iir iit il- ilc ild ile ilg ili ill ilo ilr ilt io- ioc iod ioe iog ioi iol ioo ior iot ir- irc ird ire irg iri irl iro irr irt itc itd ite itg iti itl ito itt lcc lcd lce lcg lci lcl lco lcr lct ldc ldd lde ldg ldi ldl ldo ldr ldt lec led lee leg lei lel leo ler let lgc lgd lge lgg lgi lgl lgo lgr lgt lic lid lie lig lii lil lio lir lit llc lld lle llg lli lll llo llr llt loc lod loe log loi lol loo lor lot lrc lrd lrg lri lro lrr lrt ltc ltd lte ltg lti ltl lto ltr ltt o-i oc- occ ocd ocg oci ocl oco ocr oct odc odd ode odg odi odl odo odr odt oec oed oee oeg oei oel oeo oer oet ogc ogd oge ogg ogi ogl ogo ogt oic oid oie oii oil oio oir oit olc old ole olg oli oll olo olt oo- ooc ood oog ooi ool ooo oor oot or- orc ord ore org ori orl oro orr ort ot- otc otd ote otg oti otl oto otr ott rcc rcd rce rcg rci rcl rco rcr rct rdc rdd rde rdg rdi rdl rdo rdr rdt re- rec red ree reg rei rel reo rer ret rgc rgd rge rgg rgi rgo rgr rgt ric rid rie rig rii ril rio rir rit rlc rld rle rlg rli rll rlo rlr rlt roc rod roe rog roi rol roo ror rot rrc rrd rrg rri rrl rrr rrt rtc rtd rte rtg rti rtl rto rtr rtt tcc tcd tce tcg tci tcl tco tcr tct tdc tdd tde tdg tdi tdl tdo tdr tdt te- tec ted tee teg tei tel teo ter tet tgc tge tgg tgi tgl tgo tgr tgt tic tid tie tig tii til tio tir tit tlc tld tle tlg tli tll tlo tlr tlt to- toc tod toe tog toi tol too tor tot trc trd tre trg tri trl tro trr trt ttc ttd tte ttg tti ttl tto ttr ttt