-er -ic c-- ccc cce ccg cci ccn cco ccr ccs ccu ce- cec cee ceg cei cen ceo cer ces ceu cgc cge cgg cgi cgn cgo cgr cgs cgu ci- cic cie cig cii cin cio cir cis ciu cn- cnc cne cng cni cnn cno cnr cns cnu co- coc coe cog coi con coo cor cos cou crc cre crg cri crn cro crr crs cru csc cse csg csi csn cso csr css csu cuc cue cug cui cun cuo cur cus cuu ec- ecc ece ecg eci ecn eco ecr ecs ecu eec eee eeg een eeo eer ees egc ege egg egi egn ego egr egs egu eic eie eig eii ein eio eir eis eiu en- enc ene eng eni enn eno enr ens enu eo- eoc eoe eog eoi eon eoo eor eos eou erc ere erg eri ern ero err ers eru es- esc ese esg esi esn eso esr ess esu eu- euc eue eug eui eun eur eus gcc gce gcg gci gcn gco gcr gcs gcu ge- gec gee geg gei gen geo ger ges geu ggc ggg ggi ggn ggo ggr ggs ggu gic gie gig gii gin gio gir gis giu gnc gne gni gnn gno gnr gns gnu goc goe gog goi gon goo gor gos gou grc gre grg gri grn gro grr grs gru gsc gse gsg gsi gsn gso gsr gss gsu gu- guc gue gug gui gun guo gur gus guu icc ice icg ici icn ico icr ics icu ie- iec iee ieg iei ien ier ies igc ige igg igi ign igo igr igs igu iic iie iii iin iio iir iis iiu in- inc ine ing ini inn ino inr ins inu io- ioc ioe iog ioi ion ioo ior ios iou ir- irc ire irg iri irn iro irr irs iru is- isc ise isg isi isn iso isr iss isu iu- iuc iue iug iui iur ius n-i ncc nce ncg nci ncn nco ncr ncs ncu ne- nec nee neg nei nen neo ner nes neu ngc nge ngg ngi ngn ngo ngs ngu nic nie nig nii nin nio nir nis niu nnc nne nng nni nnn nno nns nnu no- noc noe nog noi non noo nor nos nou nrc nre nrg nri nrn nro nrr nrs nru nsc nse nsg nsi nsn nso nsr nss nsu nuc nue nug nui nun nuo nur nus nuu o-i oc- occ ocg oci ocn oco ocr ocs ocu oec oee oeg oei oen oeo oer oes ogc oge ogg ogi ogn ogo ogs oic oie oii oin oio oir ois oiu on- onc one ong oni onn ono onr ons onu oo- ooc oog ooi oon ooo oor oos or- orc ore org ori orn oro orr ors oru os- osc ose osg osi osn oso osr oss osu ou- ouc oue oui oun ouo our ous rcc rce rcg rci rcn rco rcr rcs rcu re- rec ree reg rei ren reo rer res reu rgc rge rgg rgi rgn rgo rgr rgs ric rie rig rii rin rio rir ris rnc rng rni rnn rno rnr rns rnu roc roe rog roi ron roo ror ros rou rrc rrg rri rrn rrr rrs rru rsc rse rsg rsi rsn rso rsr rss rsu ruc rue rug rui run ruo rur rus ruu scc sce scg sci scn sco scr scs scu se- sec see seg sei sen seo ser ses seu sgc sge sgg sgi sgn sgo sgr sgs sgu sic sie sig sii sin sio sir sis siu snc sne sng sni snn sno snr sns snu soc soe sog soi son soo sor sos sou sr- src sre srg sri srn sro srr srs ss- ssc sse ssg ssi ssn sso ssr sss ssu suc sue sug sui sun suo sur sus suu ucc uce ucg uci ucn uco ucr ucs ucu uec uee ueg uei uen uer ues ugc uge ugg ugi ugn ugo ugr ugs ugu uic uie uig uii uin uio uir uis uiu un- unc une ung uni unn uno unr uns unu uoc uoe uog uon uoo uor uos ur- urc ure urg uri urn uro urr urs uru usc use usg usi usn uso usr uss usu uuc uue uug uun uur uus uuu