c-- ccc cch ccn cco ccr ch- chc chh chn cho chr chy cn- cnc cnh cnn cno cnr cny co- coc coh con coo cor coy crc crh crn cro crr cry cyc cyn cyo cyr hcc hch hcn hco hcr hcy hhc hhh hhn hho hhr hhy hnc hnh hnn hno hny hoc hoh hon hoo hor hoy hr- hrc hrh hrn hro hrr hy- hyc hyh hyn hyo hyr hyy ncc nch ncn nco ncr nhc nhh nhn nhr nhy nnc nnh nnn nno no- noc noh non noo nor noy nrc nrn nro nrr nry nyc nyn nyo nyy oc- occ och ocn oco ocr ohc ohh ohn oho ohr on- onc onh onn ono onr ony oo- ooc ooh oon ooo oor or- orc orh orn oro orr ory oyo rcc rch rcn rco rcr rh- rhc rhh rhn rho rhr rnc rnh rnn rno rnr rny roc roh ron roo ror roy rrc rrh rrn rrr ry- ryc ryn ryo ryr ryy ycc ych yco ycy yhc ynn yny yoc yon yoo yor yoy yrc yrn yro yyc yyy