c-- ccc cch ccn cco ccp ch- chc chh chn cho chp chy cn- cnc cnh cnn cno cnp cny co- coc coh con coo cop coy cpc cph cpn cpo cpp cyc cyn cyo cyp hcc hch hcn hco hcp hcy hhc hhh hhn hho hhp hhy hnc hnh hnn hno hny hoc hoh hon hoo hop hoy hpc hph hpn hpo hpp hpy hy- hyc hyh hyn hyo hyp hyy ncc nch ncn nco ncp nhc nhh nhn nhp nhy nnc nnh nnn nno nnp no- noc noh non noo nop noy npc nph npn npo npp nyc nyn nyo nyp nyy oc- occ och ocn oco ocp ohc ohh ohn oho ohp on- onc onh onn ono onp ony oo- ooc ooh oon ooo oop op- opc oph opn opo opp opy oyo p-p pcc pch pcn pco pcp phc phn pho php phy pn- pnc pnh pnn pno pnp pny poc poh pon poo pop poy ppc pph ppn ppo ppp py- pyc pyn pyo ycc ych yco ycp ycy yhc ynn ynp yny yoc yon yoo yop yoy ypo yyc yyy