-ic c-- ccc cch cci cck cco ch- chc chh chi chk cho chy ci- cic cih cii cik cio ckc ckh cki cko cky co- coc coh coi cok coo coy cyc cyk cyo h-i hcc hch hci hck hco hcy hhc hhh hhi hhk hho hhy hic hih hii hik hio hkh hki hkk hko hoc hoh hoi hok hoo hoy hy- hyc hyh hyi hyo hyy icc ich ici ick ico icy ihc ihh ihi ihk iho ihy iic iih iii iio ikc iki ikk iko io- ioc ioh ioi ioo iyc iyo iyy kcc kch kci kck khh khi khk kho kic kih kii kik kio kkc kkh kki kkk kky koc koh koi kok koo koy kyc kyo o-i oc- occ och oci ock oco ohc ohh ohi oho oic oii oik oio okc oki okk oko oo- ooc ooh ooi ook ooo oyi oyo ycc ych yci yco ycy yhc yhi yih yii yio yki ykk yoc yoi yok yoo yoy yyc yyy