c-- ccc ccn cco ccp cct cn- cnc cnn cno cnp cnt cny co- coc con coo cop cot coy cpc cpn cpo cpp cpt ctc ctn cto ctp ctt cty cyc cyn cyo cyp cyt ncc ncn nco ncp nct nnc nnn nno nnp nnt no- noc non noo nop not noy npc npn npo npp npt ntc ntn nto ntp ntt nyc nyn nyo nyp nyt nyy oc- occ ocn oco ocp oct on- onc onn ono onp ont ony oo- ooc oon ooo oop oot op- opc opn opo opp opt opy ot- otc otn oto otp ott oyo p-p pcc pcn pco pcp pct pn- pnc pnn pno pnp pnt pny poc pon poo pop pot poy ppc ppn ppo ppp ppt pt- ptc ptn pto ptp ptt pty py- pyc pyn pyo pyt tcc tcn tco tcp tct tnc tnn tno tnp tnt to- toc ton too top tot toy tpc tpn tpo tpp tpt ttc ttn tto ttp ttt tty tyc tyn tyo typ tyt ycc yco ycp ycy ynn ynp yny yoc yon yoo yop yot yoy ypo ytc ytn yto ytp ytt yyc yyt yyy