c-- ccc ccf cck cco cct ccu cfc cff cfk cfo cft cfu ckc cko ckt cky co- coc cof cok coo cot cou coy ctc ctf ctk cto ctt ctu cty cuc cuf cuk cuo cut cuu cuy cyc cyf cyk cyo cyt fcc fcf fck fco fct fcu fcy ffc fff ffk ffo fft ffu ffy fkc fkf fkk fkt foc fof fok foo fot fou foy ftc ftf ftk fto ftt ftu fty fuf fuk fuo fut fuu fy- fyc fyk fyo k-t kcc kck kct kcu kfc kff kfo kfu kkc kkk kkt kku kky koc kof kok koo kot kou koy ktc ktf ktk kto ktt ktu kuc kuk kut kuu kuy kyc kyo kyt kyu oc- occ ocf ock oco oct ocu of- ofc off ofo oft ofu okc okk oko oku oo- ooc oof ook ooo oot ot- otc otf otk oto ott otu ou- ouc ouf ouk ouo out oyo tcc tcf tck tco tct tcu tfc tff tfk tfo tft tfu tkc tkk tko tkt tky to- toc tof tok too tot tou toy ttc ttf ttk tto ttt ttu tty tuc tuf tuk tuo tut tuu tuy tyc tyf tyo tyt ucc ucf uck uco uct ucu ufc uff ufo uft ufu ukc ukf ukk uku uoc uok uoo uot utc utf utk uto utt utu uty uuc uut uuu uyc uyo uyu ycc ycf yco ycu ycy yfc yff yft yfu ykk yoc yof yok yoo yot you yoy ytc ytf ytk yto ytt ytu yuk yuo yut yuu yuy yyc yyf yyt yyu yyy