-er -ey -ic c-- ccc cce ccf cci cco ccr cct ce- cec cee cef cei ceo cer cet cey cfc cfe cff cfi cfo cfr cft ci- cic cie cif cii cio cir cit co- coc coe cof coi coo cor cot coy crc cre crf cri cro crr crt cry ctc cte ctf cti cto ctr ctt cty cyc cye cyf cyo cyr cyt ec- ecc ece ecf eci eco ecr ect eec eee eef eeo eer eet eey ef- efc efe eff efi efo efr eft eic eie eif eii eio eir eit eo- eoc eoe eof eoi eoo eor eot erc ere erf eri ero err ert ery etc ete etf eti eto etr ett ety eyc eye eyo eyr eyt fcc fce fcf fci fco fcr fct fcy fec fee fef fei feo fer fet fey ffc ffe fff ffi ffo ffr fft ffy fic fie fif fii fir fit foc foe fof foi foo for fot foy frc fre frf fri fro frr frt fry ftc fte ftf fti fto ftr ftt fty fy- fyc fye fyi fyo i-f icc ice icf ici ico icr ict icy ie- iec iee ief iei ier iet iey ifc ife iff ifi ifo ifr ift ify iic iie iif iii iio iir iit io- ioc ioe iof ioi ioo ior iot ir- irc ire irf iri iro irr irt iry itc ite itf iti ito itt ity iyc iye iyo iyr iyt iyy o-i oc- occ ocf oci oco ocr oct oec oee oef oei oeo oer oet oey of- ofc ofe off ofi ofo ofr oft oic oie oif oii oio oir oit oo- ooc oof ooi ooo oor oot or- orc ore orf ori oro orr ort ory ot- otc ote otf oti oto otr ott oye oyi oyo rcc rce rcf rci rco rcr rct re- rec ree ref rei reo rer ret rey rfc rfe rff rfi rfo rfr rft ric rie rif rii rio rir rit riy roc roe rof roi roo ror rot roy rrc rrf rri rrr rrt rtc rte rtf rti rto rtr rtt rty ry- ryc rye ryf ryo ryr ryy tcc tce tcf tci tco tcr tct te- tec tee tef tei teo ter tet tey tfc tfe tff tfi tfo tfr tft tic tie tif tii tio tir tit tiy to- toc toe tof toi too tor tot toy trc tre trf tri tro trr trt try ttc tte ttf tti tto ttr ttt tty tyc tye tyf tyo tyr tyt ycc yce ycf yci yco ycy yec yee yef yei yeo yer yet yey yfc yfe yff yfr yft yie yif yii yio yir yit yoc yoe yof yoi yoo yor yot yoy yrc yre yrf yro yrt ytc yte ytf yto ytr ytt yyc yye yyf yyt yyy