A huge gift from Bavaria (51 reintroduced prefixes for today):
AIB, BRK, BUL, DKB, EBS, EG, ESB, FEU, FÜS, GEO, GRA, GRI, GUN, HAB, HIP, ILL, KEM, KÖN, KÖZ, MAI, MAK, MET, MOD, MÜB, NAB, NEC, NEN, NÖ, OCH, OVI, PAR, PEG, REH, RID, ROD, ROL, ROT, SAN, SEF, SEL, SOB, SOG, STE, UFF, VIB, VOH, WER, WOR, WOS, WS, WÜM