-er -ey -ic c-- ccc cce ccf cci cco ccr ccv ce- cec cee cef cei ceo cer cev cey cfc cfe cff cfi cfo cfr cfv ci- cic cie cif cii cio cir civ co- coc coe cof coi coo cor cov coy crc cre crf cri cro crr crv cry cvc cve cvf cvi cvo cvr cvv cyc cye cyf cyo cyr ec- ecc ece ecf eci eco ecr ecv eec eee eef eeo eer eev eey ef- efc efe eff efi efo efr eic eie eif eii eio eir eiv eo- eoc eoe eof eoi eoo eor erc ere erf eri ero err erv ery evc eve evf evi evo evr evv evy eyc eye eyo eyr fcc fce fcf fci fco fcr fcv fcy fec fee fef fei feo fer fev fey ffc ffe fff ffi ffo ffr ffv ffy fic fie fif fii fir foc foe fof foi foo for foy frc fre frf fri fro frr fry fvc fy- fyc fye fyi fyo i-f i-v icc ice icf ici ico icr icv icy ie- iec iee ief iei ier iev iey ifc ife iff ifi ifo ifr ify iic iie iif iii iio iir io- ioc ioe iof ioi ioo ior iov ir- irc ire irf iri iro irr irv iry ivc ive ivf ivi ivo ivr ivv ivy iyc iye iyo iyr iyy o-i oc- occ ocf oci oco ocr ocv oec oee oef oei oeo oer oey of- ofc ofe off ofi ofo ofr ofv oic oie oif oii oio oir oiv oo- ooc oof ooi ooo oor oov or- orc ore orf ori oro orr orv ory ov- ovc ove ovf ovi ovo ovv oye oyi oyo rcc rce rcf rci rco rcr rcv re- rec ree ref rei reo rer rev rey rfc rfe rff rfi rfo rfr rfv ric rie rif rii rio rir riv riy roc roe rof roi roo ror rov roy rrc rrf rri rrr rvc rve rvf rvi rvo rvr rvv rvy ry- ryc rye ryf ryo ryr ryy v-e vcc vce vcf vci vco vcr vcy vec vee vef vei veo ver vey vfc vff vfi vfr vfv vi- vic vie vif vii vio vir viv viy voc voe vof voi voo vor vov voy vrc vre vrf vri vrr vry vvc vvi vvo vvr vvv vye vyf ycc yce ycf yci yco ycv ycy yec yee yef yei yeo yer yev yey yfc yfe yff yfr yie yif yii yio yir yoc yoe yof yoi yoo yor yoy yrc yre yrf yro yve yvi yvo yvr yvy yyc yye yyf yyy