-up c-- ccc cco ccp ccu co- coc coo cop cou coy cpc cpo cpp cpu cuc cuo cup cuu cuy cyc cyo cyp oc- occ oco ocp ocu oo- ooc ooo oop op- opc opo opp opy ou- ouc ouo oup oyo p-p pcc pco pcp pcu poc poo pop pou poy ppc ppo ppp ppu puc pup puu puy py- pyc pyo pyu ucc uco ucp ucu uoc uoo uop up- upc upo upp upu uuc uuu uyc uyo uyu ycc yco ycp ycu ycy yoc yoo yop you yoy ypo ypu yuo yup yuu yuy yyc yyu yyy