cologne%27s river: crossword clues

Matching Answer
Confidence
URAL
20%
ARNO
20%
NILE
20%
YSER
20%
ODER
20%
EBRO
20%
AVON
20%
AARE
20%
STYX
20%
AAR
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)