-er -ey -ic c-- ccc cce ccg cci cco ccr cct ccx ce- cec cee ceg cei ceo cer cet cex cey cgc cge cgg cgi cgo cgr cgt cgy ci- cic cie cig cii cio cir cit cix co- coc coe cog coi coo cor cot cox coy crc cre crg cri cro crr crt crx cry ctc cte ctg cti cto ctr ctt ctx cty cxc cxi cxo cxr cxt cxx cyc cye cyg cyo cyr cyt ec- ecc ece ecg eci eco ecr ect ecx eec eee eeg eeo eer eet eex eey egc ege egg egi ego egr egt egx egy eic eie eig eii eio eir eit eix eo- eoc eoe eog eoi eoo eor eot erc ere erg eri ero err ert ery etc ete etg eti eto etr ett etx ety ex- exc exe exi exo exr ext exx exy eyc eye eyo eyr eyt gcc gce gcg gci gco gcr gct ge- gec gee geg gei geo ger get gex gey ggc ggg ggi ggo ggr ggt gic gie gig gii gio gir git giy goc goe gog goi goo gor got gox goy grc gre grg gri gro grr grt grx gry gtc gte gtg gti gto gtr gtt gtx gty gxt gy- gye gyo gyr icc ice icg ici ico icr ict icy ie- iec iee ieg iei ier iet iex iey igc ige igg igi igo igr igt igy iic iie iii iio iir iit iix io- ioc ioe iog ioi ioo ior iot ir- irc ire irg iri iro irr irt irx iry itc ite itg iti ito itt itx ity ixc ixe ixi ixy iyc iye iyo iyr iyt iyy o-i oc- occ ocg oci oco ocr oct ocx oec oee oeg oei oeo oer oet oex oey ogc oge ogg ogi ogo ogt ogx ogy oic oie oii oio oir oit oo- ooc oog ooi ooo oor oot oox or- orc ore org ori oro orr ort orx ory ot- otc ote otg oti oto otr ott ox- oxc oxi oxo oxt oxx oxy oye oyi oyo rcc rce rcg rci rco rcr rct rcx re- rec ree reg rei reo rer ret rex rey rgc rge rgg rgi rgo rgr rgt rgx ric rie rig rii rio rir rit rix riy roc roe rog roi roo ror rot rox roy rrc rrg rri rrr rrt rtc rte rtg rti rto rtr rtt rtx rty rxr ry- ryc rye ryg ryo ryr ryy t-x tcc tce tcg tci tco tcr tct tcx te- tec tee teg tei teo ter tet tex tey tgc tge tgg tgi tgo tgr tgt tgy tic tie tig tii tio tir tit tix tiy to- toc toe tog toi too tor tot tox toy trc tre trg tri tro trr trt trx try ttc tte ttg tti tto ttr ttt ttx tty txe txi txt tyc tye tyg tyo tyr tyt xci xcr xcx xee xeg xer xet xex xge xgi xic xie xii xio xit xix xoc xog xoi xoo xor xot xox xrc xrt xrx xry xtc xti xtr xtx xty xxi xxo xxx xxy xyr xyy ycc yce yci yco ycy yec yee yeg yei yeo yer yet yex yey ygc ygo yie yig yii yio yir yit yoc yoe yog yoi yoo yor yot yox yoy yrc yre yrg yro yrt ytc yte yto ytr ytt yxe yxy yyc yye yyg yyt yyy