c-- ccc ccd cce cch ccu cdc cdd cde cdh cdu ce- cec ced cee ceh ceu ch- chc chd che chh chu cuc cud cue cuh cuu dcc dcd dce dcu ddc ddd dde ddh ddu de- dec ded dee deh deu dh- dhc dhd dhe dhh dhu duc dud due duh ec- ecc ecd ece ech ecu ed- edc edd ede edh edu eec eed eee ehc ehd ehe ehh ehu eu- euc eud eue hcc hcd hce hch hdc hdd hde hdh hdu he- hec hed hee heh heu hhc hhd hhe hhh hhu huc hud hue huh huu ucc ucd uce uch ucu udc udd ude udu uec ued uee ueh uhc uhd uhe uhh uhu uuc uue uuu