International Auxiliary Language alphabet

ISO 639-3 code	Alphabet name	Diacritics	None ISO 646 letters	Multigraphs	Letters existing in IPA but having a different meaning
-	ULA	No	No	No	Yes (q [ʃ], y [ʒ])
lfn	Lingua Franca Nova	No	No	No	Yes (c [k], j [ʒ], x [ʃ])
rmv	Romanova	No	No	No	Yes (c /k/, j /ʃ/)
ina	Interlingua	No	No	Yes (qu [kw] or [k])	Yes (c (k))
ido	Ido	No	No	Yes (ch /t͡ʃ/, qu /kw/, sh /ʃ/)	Yes (c /t͡s/, j /ʒ/, q /k/, x /ks/ or /ɡz/, y /j/)
nov	Novial	No	No	Yes (ch /tʃ/, sh /ʃ/, y /j/)	Yes (j /ʒ/, q /k/, x /ks/)
igs	Interglossa	No	No	Yes (ph, th, ch, rh -> /f/, /t/, /k/, /r/.)	Yes (c /k/, q /k/, x /ks/, z /ts/)
epo	Esperanto	Yes (ĉ, ĝ, ĥ, ĵ, ŝ, ŭ)	No	No	Yes (c /t͡s/)
-	Mundolinco [1]	No	No	No	No
-	Glosa	No	No	Yes (sc /ʃ/)	Yes (c /tʃ/, q /kw/, x /ks/)
-	Sambahsa[2]	No	No	Yes (ch /tʃ/, sh /ʃ/, and more)	Yes (j /ʒ/, q /x/, and more)
-	Idiom neutral	No	No	Yes (sh /ʃ/)	Yes (c /tʃ/, j /ʒ/, y /j/)
-	Lingwa de planeta	No	No	Yes (ch /tʃ/, sh /ʃ/)	Yes (c in ch /tʃ/, x /gs/, j /d͡ʒ/, z /d͡z/)
-	Uropi	No	Yes (ʒ /ʒ/)	No	Yes (c [ʃ])
-	Interslavic	Yes (č /tʃ/, ń /nj ~ nʲ ~ ɲ/, š /ʃ/, ž /ʒ/ )	No	dž, but similar to or same as d+ž	Yes (c /ts/, y /i ~ ɪ ~ ɨ/)