-ey c-- ccc cce cch ccn cco ce- cec cee ceh cen ceo cey ch- chc che chh chn cho chy cn- cnc cne cnh cnn cno cny co- coc coe coh con coo coy cyc cye cyn cyo ec- ecc ece ech ecn eco eec eee een eeo eey ehc ehe ehh ehn eho en- enc ene enh enn eno eny eo- eoc eoe eoh eon eoo eyc eye eyn eyo hcc hce hch hcn hco hcy he- hec hee heh hen heo hey hhc hhe hhh hhn hho hhy hnc hne hnh hnn hno hny hoc hoe hoh hon hoo hoy hy- hyc hye hyh hyn hyo hyy ncc nce nch ncn nco ne- nec nee neh nen neo ney nhc nhe nhh nhn nhy nnc nne nnh nnn nno no- noc noe noh non noo noy nyc nye nyn nyo nyy oc- occ och ocn oco oec oee oeh oen oeo oey ohc ohe ohh ohn oho on- onc one onh onn ono ony oo- ooc ooh oon ooo oye oyo ycc yce ych yco ycy yec yee yeh yen yeo yey yhc yhe yne ynn yny yoc yoe yon yoo yoy yyc yye yyy