Alamblak (alam1246-1)

Bruce, Les. The Alamblak language of Papua New Guinea (East Sepik). 1984. wals:814

Consonants (18)

p b	t d			k g
		(tʃ) (dʒ)
ɸ	s	(ʃ)		x
m	n		(ɲ)
			j	w
	ɾ

Vowels (7)

i	ɨ	u
e	ə	o
	a

Notes

/s ʃ tʃ/ are in free variation in certain words, but not others: [na{s ʃ tʃ}uŋˈgwaɾɨm] 'guardian spirits', but [suit] 'skirt'. In some words, only /s ʃ/ are in free variation: [ˈsuɣ] ~ [ˈʃuɣ] 'fall'.

ɨ harmony may apply to allophones aside from ʊ ŏ; the text is unclear.

Allophonic rules

t > tʃ / C[+palatal]_
d > dʒ / C[+palatal]_
ɸ > β / [+voice -nasal]_[+voice]
ɸ > b / _[+voice labial]
s > ʃ / C[+palatal]_
x > ɣ / [+voice -nasal]_[+voice]
x > g / _[+voice velar]
n > ɲ / C[+palatal]_
j·t > tʃ / _
j·d > dʒ / _
j·s > ʃ / _
j·n > ɲ / _
w > o̯ / V[-high]_C[-coronal]
ɾ > ɾ̥ / _# or _[-voice]
a > ə / _($<ɨ>)+a (that is, "preceding a syllable containing an [a] with or without one or more intervening syllables which contain a high central vocoid")
e > ɛ / unstressed
e > ɛ / _C[labial] or _C# when stressed (?)
e > i / _e (including [e] from /aj/) - but this rule only exists to explain forms of /najaj/ 'come'?
ə > ɔ / [+labial]_#
ə >~ ɨ / pretonic
ə > o / Cw_"{[+periph] | [+medial -nasal]}" (that is, between /w/ and a consonant that is either peripheral or 'medial' (coronal?) and non-nasal)
ə > o / C[+labial]_w(C)
o > ŏ / C[velar]_C[alveolar]
i > ɪ / _ɾ
i > ɪ / C[palatoalveolar]_
i > ɪ / j_
i > i / j_
ɨ > ʊ / w_
ɨ > ŏ / [+labial]_x
ɨ > ʊ / ʊ$_
ɨ > ŏ / ŏ$_