c-- ccc cch cco ccr ccu ch- chc chh cho chr chu chy co- coc coh coo cor cou coy crc crh cro crr cru cry cuc cuh cuo cur cuu cuy cyc cyo cyr hcc hch hco hcr hcy hhc hhh hho hhr hhu hhy hoc hoh hoo hor hou hoy hr- hrc hrh hro hrr hru huc huh huo hur huu huy hy- hyc hyh hyo hyr hyy oc- occ och oco ocr ocu ohc ohh oho ohr ohu oo- ooc ooh ooo oor or- orc orh oro orr oru ory ou- ouc ouh ouo our oyo rcc rch rco rcr rcu rh- rhc rhh rho rhr rhu roc roh roo ror rou roy rrc rrh rrr rru ruc ruh ruo rur ruu ruy ry- ryc ryo ryr ryu ryy ucc uch uco ucr ucu uhc uhh uho uhr uhu uhy uoc uoo uor ur- urc uro urr uru ury uuc uur uuu uyc uyo uyu ycc ych yco ycu ycy yhc yhu yoc yoo yor you yoy yrc yro yru yuh yuo yur yuu yuy yyc yyu yyy