c-- ccc ccd cch cck ccu cdc cdd cdh cdk cdu ch- chc chd chh chk chu ckc ckd ckh cuc cud cuh cuk cuu dcc dcd dck dcu ddc ddd ddh ddk ddu dh- dhc dhd dhh dhk dhu dkc dkk dku duc dud duh duk hcc hcd hch hck hdc hdd hdh hdk hdu hhc hhd hhh hhk hhu hkd hkh hkk hku huc hud huh huk huu kcc kcd kch kck kcu kdc kdh kdk kdu khh khk khu kkc kkh kkk kku kuc kud kuh kuk kuu ucc ucd uch uck ucu udc udd udk udu uhc uhd uhh uhu ukc ukk uku uuc uuu