-er -ey c-- ccc cce cch ccn cco ccr ce- cec cee ceh cen ceo cer cey ch- chc che chh chn cho chr chy cn- cnc cne cnh cnn cno cnr cny co- coc coe coh con coo cor coy crc cre crh crn cro crr cry cyc cye cyn cyo cyr ec- ecc ece ech ecn eco ecr eec eee een eeo eer eey ehc ehe ehh ehn eho ehr en- enc ene enh enn eno enr eny eo- eoc eoe eoh eon eoo eor erc ere erh ern ero err ery eyc eye eyn eyo eyr hcc hce hch hcn hco hcr hcy he- hec hee heh hen heo her hey hhc hhe hhh hhn hho hhr hhy hnc hne hnh hnn hno hny hoc hoe hoh hon hoo hor hoy hr- hrc hre hrh hrn hro hrr hy- hyc hye hyh hyn hyo hyr hyy ncc nce nch ncn nco ncr ne- nec nee neh nen neo ner ney nhc nhe nhh nhn nhr nhy nnc nne nnh nnn nno no- noc noe noh non noo nor noy nrc nre nrn nro nrr nry nyc nye nyn nyo nyy oc- occ och ocn oco ocr oec oee oeh oen oeo oer oey ohc ohe ohh ohn oho ohr on- onc one onh onn ono onr ony oo- ooc ooh oon ooo oor or- orc ore orh orn oro orr ory oye oyo rcc rce rch rcn rco rcr re- rec ree reh ren reo rer rey rh- rhc rhe rhh rhn rho rhr rnc rnh rnn rno rnr rny roc roe roh ron roo ror roy rrc rrh rrn rrr ry- ryc rye ryn ryo ryr ryy ycc yce ych yco ycy yec yee yeh yen yeo yer yey yhc yhe yne ynn yny yoc yoe yon yoo yor yoy yrc yre yrn yro yyc yye yyy