-er -ey -ic c-- ccc cce cci ccn cco ccr ccs ce- cec cee cei cen ceo cer ces cey ci- cic cie cii cin cio cir cis cn- cnc cne cni cnn cno cnr cns cny co- coc coe coi con coo cor cos coy crc cre cri crn cro crr crs cry csc cse csi csn cso csr css csy cyc cye cyn cyo cyr cys ec- ecc ece eci ecn eco ecr ecs eec eee een eeo eer ees eey eic eie eii ein eio eir eis en- enc ene eni enn eno enr ens eny eo- eoc eoe eoi eon eoo eor eos erc ere eri ern ero err ers ery es- esc ese esi esn eso esr ess esy eyc eye eyn eyo eyr eys icc ice ici icn ico icr ics icy ie- iec iee iei ien ier ies iey iic iie iii iin iio iir iis in- inc ine ini inn ino inr ins iny io- ioc ioe ioi ion ioo ior ios ir- irc ire iri irn iro irr irs iry is- isc ise isi isn iso isr iss isy iyc iye iyo iyr iys iyy n-i ncc nce nci ncn nco ncr ncs ne- nec nee nei nen neo ner nes ney nic nie nii nin nio nir nis nnc nne nni nnn nno nns no- noc noe noi non noo nor nos noy nrc nre nri nrn nro nrr nrs nry nsc nse nsi nsn nso nsr nss nsy nyc nye nyn nyo nys nyy o-i oc- occ oci ocn oco ocr ocs oec oee oei oen oeo oer oes oey oic oie oii oin oio oir ois on- onc one oni onn ono onr ons ony oo- ooc ooi oon ooo oor oos or- orc ore ori orn oro orr ors ory os- osc ose osi osn oso osr oss oye oyi oyo oys rcc rce rci rcn rco rcr rcs re- rec ree rei ren reo rer res rey ric rie rii rin rio rir ris riy rnc rni rnn rno rnr rns rny roc roe roi ron roo ror ros roy rrc rri rrn rrr rrs rsc rse rsi rsn rso rsr rss ry- ryc rye ryn ryo ryr rys ryy scc sce sci scn sco scr scs se- sec see sei sen seo ser ses sey sic sie sii sin sio sir sis snc sne sni snn sno snr sns sny soc soe soi son soo sor sos soy sr- src sre sri srn sro srr srs sry ss- ssc sse ssi ssn sso ssr sss sy- syc sye syi syn syr sys ycc yce yci yco ycs ycy yec yee yei yen yeo yer yes yey yie yii yin yio yir yis yne ynn yns yny yoc yoe yoi yon yoo yor yos yoy yrc yre yrn yro yrs ysc yse ysi yso ysr yss ysy yyc yye yys yyy