-er -ey -ic c-- ccc cce ccg cci cco ccr ccs ccu ce- cec cee ceg cei ceo cer ces ceu cey cgc cge cgg cgi cgo cgr cgs cgu cgy ci- cic cie cig cii cio cir cis ciu co- coc coe cog coi coo cor cos cou coy crc cre crg cri cro crr crs cru cry csc cse csg csi cso csr css csu csy cuc cue cug cui cuo cur cus cuu cuy cyc cye cyg cyo cyr cys ec- ecc ece ecg eci eco ecr ecs ecu eec eee eeg eeo eer ees eey egc ege egg egi ego egr egs egu egy eic eie eig eii eio eir eis eiu eo- eoc eoe eog eoi eoo eor eos eou erc ere erg eri ero err ers eru ery es- esc ese esg esi eso esr ess esu esy eu- euc eue eug eui eur eus eyc eye eyo eyr eys gcc gce gcg gci gco gcr gcs gcu ge- gec gee geg gei geo ger ges geu gey ggc ggg ggi ggo ggr ggs ggu gic gie gig gii gio gir gis giu giy goc goe gog goi goo gor gos gou goy grc gre grg gri gro grr grs gru gry gsc gse gsg gsi gso gsr gss gsu gu- guc gue gug gui guo gur gus guu guy gy- gye gyo gyr gys icc ice icg ici ico icr ics icu icy ie- iec iee ieg iei ier ies iey igc ige igg igi igo igr igs igu igy iic iie iii iio iir iis iiu io- ioc ioe iog ioi ioo ior ios iou ir- irc ire irg iri iro irr irs iru iry is- isc ise isg isi iso isr iss isu isy iu- iuc iue iug iui iur ius iyc iye iyo iyr iys iyy o-i oc- occ ocg oci oco ocr ocs ocu oec oee oeg oei oeo oer oes oey ogc oge ogg ogi ogo ogs ogy oic oie oii oio oir ois oiu oo- ooc oog ooi ooo oor oos or- orc ore org ori oro orr ors oru ory os- osc ose osg osi oso osr oss osu ou- ouc oue oui ouo our ous oye oyi oyo oys rcc rce rcg rci rco rcr rcs rcu re- rec ree reg rei reo rer res reu rey rgc rge rgg rgi rgo rgr rgs ric rie rig rii rio rir ris riy roc roe rog roi roo ror ros rou roy rrc rrg rri rrr rrs rru rsc rse rsg rsi rso rsr rss rsu ruc rue rug rui ruo rur rus ruu ruy ry- ryc rye ryg ryo ryr rys ryu ryy scc sce scg sci sco scr scs scu se- sec see seg sei seo ser ses seu sey sgc sge sgg sgi sgo sgr sgs sgu sic sie sig sii sio sir sis siu soc soe sog soi soo sor sos sou soy sr- src sre srg sri sro srr srs sry ss- ssc sse ssg ssi sso ssr sss ssu suc sue sug sui suo sur sus suu suy sy- syc sye syg syi syr sys syu ucc uce ucg uci uco ucr ucs ucu uec uee ueg uei uer ues uey ugc uge ugg ugi ugo ugr ugs ugu uic uie uig uii uio uir uis uiu uoc uoe uog uoo uor uos ur- urc ure urg uri uro urr urs uru ury usc use usg usi uso usr uss usu uuc uue uug uur uus uuu uyc uyi uyo uys uyu ycc yce yci yco ycs ycu ycy yec yee yeg yei yeo yer yes yey ygc ygo yie yig yii yio yir yis yoc yoe yog yoi yoo yor yos you yoy yrc yre yrg yro yrs yru ysc yse ysg ysi yso ysr yss ysu ysy yue yug yui yuo yur yus yuu yuy yyc yye yyg yys yyu yyy