Table 1. Phonological processes of single onsets in the Buckeye Corpus. The column name orth represents the orthographic forms, while pron stands for the pronounced phonetic symbols of English consonants. n is the number of occurrences, and ∅ represents deletion.

Orth	Pron	n	Orth	Pron	n	Orth	Pron	n	Orth	Pron	n	Orth	Pron	n	Orth	Pron	n
b	b	13,507	dh	dh	19,281	jh	jh	3,585	n	n	10,933	t	t	11,316	w	w	19,670
	Ø	1,026		n	3,295		ch	164		nx	4,069		dx	4,052		Ø	1,468
	v	145		Ø	3,246		zh	163		Ø	1,251		Ø	1,655		hhw	125
	m	92		th	996		sh	79	p	p	7,380		d	1,442		mw	61
	p	69		d	577		Ø	77		b	118		nx	585	y	y	12,435
ch	ch	1,620		z	364		d	55	r	r	7,861		tq	420		Ø	857
	sh	366		t	303	k	k	11,264		Ø	1,701		n	378		ny	170
d	d	9,383		s	231		kl	145	s	s	14,251		ch	159		sh	122
	dx	2,907		l	184		g	139		z	80		r	72		zh	115
	Ø	1,157		dx	139		Ø	99		sh	70		tr	72		ch	88
	n	246	g	g	7,321	l	l	14,060		Ø	60		s	50		jh	61
	nx	138		k	99		Ø	1,320	sh	sh	4,065	th	th	4,716		n	53
	t	109		Ø	68		kl	89		ch	66		dh	279	z	z	1,712
	tq	80	hh	hh	11,357	m	m	12,919	v	v	4,581		Ø	174		s	168
f	f	6,807		Ø	2,751		Ø	190		Ø	181		t	67		Ø	68
	fr	321								f	60				zh	zh	177