-ic c-- ccc cci cck cco ccp cct ci- cic cii cik cio cip cit ckc cki cko ckt cky co- coc coi cok coo cop cot coy cpc cpi cpk cpo cpp cpt ctc cti ctk cto ctp ctt cty cyc cyk cyo cyp cyt icc ici ick ico icp ict icy iic iii iio iip iit ikc iki ikk iko ikt io- ioc ioi ioo iop iot ipc ipi ipo ipp ipt ipy itc iti itk ito itp itt ity iyc iyo iyt iyy k-t kcc kci kck kcp kct kic kii kik kio kip kit kkc kki kkk kkp kkt kky koc koi kok koo kop kot koy kpc kpi kpk kpo kpp kpt ktc ktk kto ktp ktt kyc kyo kyp kyt o-i oc- occ oci ock oco ocp oct oic oii oik oio oip oit okc oki okk oko okp oo- ooc ooi ook ooo oop oot op- opc opi opk opo opp opt opy ot- otc oti otk oto otp ott oyi oyo p-p pcc pci pck pco pcp pct pic pii pik pio pip pit pkc pki pko pkp pkt pky poc poi pok poo pop pot poy ppc ppi ppk ppo ppp ppt pt- ptc pti ptk pto ptp ptt pty py- pyc pyk pyo pyt tcc tci tck tco tcp tct tic tii tik tio tip tit tiy tkc tkk tko tkp tkt tky to- toc toi tok too top tot toy tpc tpi tpk tpo tpp tpt ttc tti ttk tto ttp ttt tty tyc tyo typ tyt ycc yci yco ycp ycy yii yio yip yit yki ykk yoc yoi yok yoo yop yot yoy ypo ytc ytk yto ytp ytt yyc yyt yyy