Fixes encoded langauge so people can speak it, also redoes xeno tongue so it can speak same langauges as rest of crew. (#15845)

code/modules/surgery/organs/tongue.dm

@@ -15,6 +15,7 @@
 	var/list/accents = list() //done in order of priority (please always apply abductor accent and stuttering last)
 	var/static/list/languages_possible_base = typecacheof(list(
 		/datum/language/common,
+		/datum/language/machine,
 		/datum/language/draconic,
 		/datum/language/codespeak,
 		/datum/language/monkey,
@@ -142,7 +143,7 @@
 	icon_state = "tonguexeno"
 	say_mod = "hisses"
 	taste_sensitivity = 10 // LIZARDS ARE ALIENS CONFIRMED
-	maxHealth = 500 //They've a little mouth for a tongue, so it's pretty rhobust
+	maxHealth = 500 //They've a little mouth for a tongue, so it's pretty robust
 	initial_accents = list(/datum/accent/alien)
 	var/static/list/languages_possible_alien = typecacheof(list(
 		/datum/language/xenocommon,
@@ -155,6 +156,13 @@
 	. = ..()
 	languages_possible = languages_possible_alien
 
+/obj/item/organ/tongue/alien/hybrid
+	name = "xenohybrid tongue"
+
+/obj/item/organ/tongue/alien/hybrid/Initialize(mapload)
+	. = ..()
+	languages_possible = languages_possible_base
+
 /obj/item/organ/tongue/bone
 	name = "bone \"tongue\""
 	desc = "Apparently skeletons alter the sounds they produce through oscillation of their teeth, hence their characteristic rattling."
@@ -248,6 +256,7 @@
 	taste_sensitivity = 101 // Not a tongue, they can't taste shit
 	var/static/list/languages_possible_ethereal = typecacheof(list(
 		/datum/language/common,
+		/datum/language/machine,
 		/datum/language/draconic,
 		/datum/language/codespeak,
 		/datum/language/monkey,
@@ -269,6 +278,7 @@
 	say_mod = "chitters"
 	var/static/list/languages_possible_arachnid = typecacheof(list(
 		/datum/language/common,
+		/datum/language/machine,
 		/datum/language/draconic,
 		/datum/language/codespeak,
 		/datum/language/monkey,