-er -ey -ic c-- ccc cce ccg cci ccn cco ccr ccx ce- cec cee ceg cei cen ceo cer cex cey cgc cge cgg cgi cgn cgo cgr cgy ci- cic cie cig cii cin cio cir cix cn- cnc cne cng cni cnn cno cnr cnx cny co- coc coe cog coi con coo cor cox coy crc cre crg cri crn cro crr crx cry cxc cxi cxo cxr cxx cyc cye cyg cyn cyo cyr ec- ecc ece ecg eci ecn eco ecr ecx eec eee eeg een eeo eer eex eey egc ege egg egi egn ego egr egx egy eic eie eig eii ein eio eir eix en- enc ene eng eni enn eno enr eny eo- eoc eoe eog eoi eon eoo eor erc ere erg eri ern ero err ery ex- exc exe exi exo exr exx exy eyc eye eyn eyo eyr gcc gce gcg gci gcn gco gcr ge- gec gee geg gei gen geo ger gex gey ggc ggg ggi ggn ggo ggr gic gie gig gii gin gio gir giy gnc gne gni gnn gno gnr goc goe gog goi gon goo gor gox goy grc gre grg gri grn gro grr grx gry gy- gye gyn gyo gyr icc ice icg ici icn ico icr icy ie- iec iee ieg iei ien ier iex iey igc ige igg igi ign igo igr igy iic iie iii iin iio iir iix in- inc ine ing ini inn ino inr inx iny io- ioc ioe iog ioi ion ioo ior ir- irc ire irg iri irn iro irr irx iry ixc ixe ixi ixn ixy iyc iye iyo iyr iyy n-i ncc nce ncg nci ncn nco ncr ncx ne- nec nee neg nei nen neo ner nex ney ngc nge ngg ngi ngn ngo nic nie nig nii nin nio nir nix nnc nne nng nni nnn nno no- noc noe nog noi non noo nor nox noy nrc nre nrg nri nrn nro nrr nrx nry nxc nyc nye nyg nyn nyo nyx nyy o-i oc- occ ocg oci ocn oco ocr ocx oec oee oeg oei oen oeo oer oex oey ogc oge ogg ogi ogn ogo ogx ogy oic oie oii oin oio oir on- onc one ong oni onn ono onr onx ony oo- ooc oog ooi oon ooo oor oox or- orc ore org ori orn oro orr orx ory ox- oxc oxi oxn oxo oxx oxy oye oyi oyo rcc rce rcg rci rcn rco rcr rcx re- rec ree reg rei ren reo rer rex rey rgc rge rgg rgi rgn rgo rgr rgx ric rie rig rii rin rio rir rix riy rnc rng rni rnn rno rnr rny roc roe rog roi ron roo ror rox roy rrc rrg rri rrn rrr rxr ry- ryc rye ryg ryn ryo ryr ryy xci xcr xcx xee xeg xen xer xex xge xgi xic xie xii xin xio xix xnc xno xoc xog xoi xon xoo xor xox xrc xrx xry xxi xxo xxx xxy xyr xyy ycc yce yci yco ycy yec yee yeg yei yen yeo yer yex yey ygc ygo yie yig yii yin yio yir yne yng ynn yny yoc yoe yog yoi yon yoo yor yox yoy yrc yre yrg yrn yro yxe yxy yyc yye yyg yyy