c-- ccc ccd cce cch cco ccu cdc cdd cde cdh cdo cdu ce- cec ced cee ceh ceo ceu ch- chc chd che chh cho chu co- coc cod coe coh coo cou cuc cud cue cuh cuo cuu dcc dcd dce dco dcu ddc ddd dde ddh ddo ddu de- dec ded dee deh deo deu dh- dhc dhd dhe dhh dho dhu doc dod doe doh doo dou duc dud due duh duo ec- ecc ecd ece ech eco ecu ed- edc edd ede edh edo edu eec eed eee eeo ehc ehd ehe ehh eho ehu eo- eoc eod eoe eoh eoo eou eu- euc eud eue hcc hcd hce hch hco hdc hdd hde hdh hdo hdu he- hec hed hee heh heo heu hhc hhd hhe hhh hho hhu hoc hod hoe hoh hoo hou huc hud hue huh huo huu oc- occ ocd och oco ocu odc odd ode odh odo odu oec oed oee oeh oeo ohc ohd ohe ohh oho ohu oo- ooc ood ooh ooo ou- ouc oud oue ouh ouo ucc ucd uce uch uco ucu udc udd ude udo udu uec ued uee ueh uhc uhd uhe uhh uho uhu uoc uod uoe uoo uuc uue uuu