📁 //snap/core24/current/usr/share/systemd/language-fallback-map
csb_PL csb:pl
en_AU en_AU:en_GB
en_IE en_IE:en_GB
en_NZ en_NZ:en_GB
en_ZA en_ZA:en_GB
fr_BE fr_BE:fr_FR
fr_CA fr_CA:fr_FR
fr_CH fr_CH:fr_FR
fr_LU fr_LU:fr_FR
it_CH it_CH:it_IT
mai_IN mai:hi
nds_DE nds:de
szl_PL szl:pl