Add spaces: TheCBCDG'smissionistoinvestigateemergingthreatstothesecurityofbanknotesandtoproposesolutionsforimplementationbyissuingauthorities.

Answer: The CBCDG's mission is to investigate emerging threats to the security of banknotes and to propose solutions for implementation by issuing authorities.

Add spaces: TransferfromDublin(DUB)lentokenttatoKiltegan

Answer: Transfer from Dublin (DUB) lentokentta to Kiltegan

Add spaces: Testnowfollowedtest.

Answer:
Test now followed test.