-er -ey -ic c-- ccc cce cci ccn cco ccr ccv ce- cec cee cei cen ceo cer cev cey ci- cic cie cii cin cio cir civ cn- cnc cne cni cnn cno cnr cnv cny co- coc coe coi con coo cor cov coy crc cre cri crn cro crr crv cry cvc cve cvi cvn cvo cvr cvv cyc cye cyn cyo cyr ec- ecc ece eci ecn eco ecr ecv eec eee een eeo eer eev eey eic eie eii ein eio eir eiv en- enc ene eni enn eno enr env eny eo- eoc eoe eoi eon eoo eor erc ere eri ern ero err erv ery evc eve evi evn evo evr evv evy eyc eye eyn eyo eyr i-v icc ice ici icn ico icr icv icy ie- iec iee iei ien ier iev iey iic iie iii iin iio iir in- inc ine ini inn ino inr inv iny io- ioc ioe ioi ion ioo ior iov ir- irc ire iri irn iro irr irv iry ivc ive ivi ivo ivr ivv ivy iyc iye iyo iyr iyy n-i ncc nce nci ncn nco ncr ncv ne- nec nee nei nen neo ner nev ney nic nie nii nin nio nir niv nnc nne nni nnn nno nnv no- noc noe noi non noo nor nov noy nrc nre nri nrn nro nrr nrv nry nvc nve nvi nvn nvv nyc nye nyn nyo nyy o-i oc- occ oci ocn oco ocr ocv oec oee oei oen oeo oer oey oic oie oii oin oio oir oiv on- onc one oni onn ono onr ony oo- ooc ooi oon ooo oor oov or- orc ore ori orn oro orr orv ory ov- ovc ove ovi ovo ovv oye oyi oyo rcc rce rci rcn rco rcr rcv re- rec ree rei ren reo rer rev rey ric rie rii rin rio rir riv riy rnc rni rnn rno rnr rnv rny roc roe roi ron roo ror rov roy rrc rri rrn rrr rvc rve rvi rvn rvo rvr rvv rvy ry- ryc rye ryn ryo ryr ryy v-e vcc vce vci vcn vco vcr vcy vec vee vei ven veo ver vey vi- vic vie vii vin vio vir viv viy vn- vni vno vnr vnv voc voe voi von voo vor vov voy vrc vre vri vrn vrr vry vvc vvi vvo vvr vvv vye vyn ycc yce yci yco ycv ycy yec yee yei yen yeo yer yev yey yie yii yin yio yir yne ynn yny yoc yoe yoi yon yoo yor yoy yrc yre yrn yro yve yvi yvo yvr yvy yyc yye yyy