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3. CV
pa-sar, sar-ja-na, war-ga 4.
CVC kar-tu, pin-tu, sur-ga
5. CVCC
teks-til, kon-teks-tu-al, mo-dern 6.
CVCCC korps
7. CCV
slo-gan, dra-ma, ko-pra 8.
CCVC trak-tor, a-trak-si, kon-trak
9. CCCV
stra-tegi, stra-ta 10.
CCCVC struk-tur, in-struk-si
11. CCVCC
kom-pleks Indonesian  word  formed  from  the  combination  of  various  syllable  such  as
listed  above.  Because  of  the  rather  complex  syllable  as  found  in  the  number  5 through  to  11  are  basically  derived  from  foreign  words,  many  people  slipped
phoneme ə  to  separate  two  consonants  that  contiguous,  such  as  slogan,  strika
and prangko each of them has changed into selogan, setrika, and perangko.
C. Types of Phonological Change
1. Assimilation
Assimilation defined as  the phonetic process  by  one speech sound comes to resemble or become identical with a neighboring sound between words or within a
word.
53
In assimilation process, there are some consonants assimilates with vowel features,  vowel  assimilates  with  consonant  features,  consonant  assimilates  with
consonant features, and vowel assimilates with vowel features. a
Consonant assimilates with vowel features act
æk to be  action
æk consume
k ənsju:m   to be  konsumsi
The citation from act is  æk . Let us take act, with its final t, and suffix –ion is added, the t becomes s, thus action.
53
Norman. C. Stageberg 1977, op.cit. p. 30
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b Vowel assimilates with consonant features
see si: to be
seen si:n capacity k
ə′pæsəti  to be kapasitas
Vowel  is  used  to  nasalize  phonetically  when  it  juxtaposes  with  nasal consonant,  this  process  as  in  the  form  see  si:,  with  its  final  i:,  and  nasal
consonant n is added. Then it becomes seen si:n. c
Consonant assimilates with consonant features news nuz
to be newspaper nuspep
ər chronic krɑ:n
Ӏ
k to be
kronis The citation from of news is nuz or n
Ӏ
uz. Let us take news, with its final z,  and  add  paper  to  it.  Now  the  voiced  z  is  juxtaposed  to  the  voiceless  p  of
paper. So the voiced z changes to a voiceless s in newspaper nuspep ər.
d Vowel assimilates with vowel features
foot fʊt to be
feet fi:t The  vowel  of  one  syllable  may  become  more  like  the  vowel  of  some  other
syllable.  So,  we  can  distinguish  vowel  harmony  and  umlauting.  According  to Sanford  A.  Schane,  vowel  harmony  is  a  case  in  which  vowels  agree  in  certain
features. Harmoni vokal ialah keadaan vokal-vokal yang bersesuaian dalam ciri- ciri tertentu this process as in the example above and it often occurs in irregular
plurals.  Besides  that,  umlaut  is  back  vowels  are  fronted  before  certain  suffixes containing a high front vowel. Umlaut ialah vokal belakang didepankan sebelum
sufiks tertentu yang berisi vokal tinggi depan.
54
54
Sanford A. Schane, Fonologi Generatif, Penerjemah, Kenjtanawati Gunawan Jakarta: Summer Institute of Linguistics, 1992, p. 53
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2. Sound Change