Write these without the hyphen.
The venerable Chicago Manual of Style (13th ed) has this entry in Table 6-1 for the re- :
- reedit, reunify, redigitalize, reexamine
At the top of the table, chief exceptions are listed. The last of these exceptions is:
A few compounds in which the last letter of the prefix is the same as the first letter of the word following.
Concerning the same last letter of the prefix and first letter following, the table says:
Newly-invented compounds of the last type tend to be treated in hyphenated style when they first appear and then to be closed up when they have become more familiar.... In addition to familiarity, appearance also influences the retention of hyphens, and it is never wrong to keep a hyphen so as to avoid misleading or puzzling forms (e.g., non-native, aniti-intellectual).