Name Age Gender Language Testing Date

a

o

e

i

u

ü

ai

an

ang

ao

ei

en

eng

ia

ian

iang

iao

ie

in

ing

iong

iu

ong

ou

ua

uai

uan

uang

ui

un

uo

ue

b

p

m

f

d

t

n

l

g

k

h

j

q

x

z

c

s

zh

ch

sh

r

N: normal; O: omission; D: distortion; S: substitution; ST: stimulability; DA: distortion (apico-dental); DB: distortion (blade-alveolar); DL: distortion (lingua-palatal); B: backing; RL: reduced lateral