| sile1255 | Sirva | T,
M,
S,
+,
C,
Northern | 63 |
| sbq | sile1255 | Sileibi | T,
M,
S,
J,
Sikan | 356 |
| mkc | sili1247 | Siliput | T,
M,
Maimai Proper | 44 |
| sili1249 | Silimo | T,
W,
D,
Ngalik | 115 |
| wul | sili1249 | Silimo (South Ngalik Dialect) | T,
W,
D,
Ngalik | 19 |
| xsp | silo1240 | Silopi | T,
M,
C,
Hanseman | 354 |
| smb | simb1255 | Simbari | T,
A,
Nuclear Angan | 104 |
| snc | sina1266 | Sinaugoro | A,
M,
C,
E,
O,
W,
P,
P,
C,
Sinagoro-Keapara | 270 |
| siu | sina1269 | Sinagen | T,
W,
Wapei | 38 |
| snz | sins1241 | Sinsauru | T,
M,
R,
Evapia | 352 |
| ssd | siro1249 | Siroi | T,
M,
R,
Kabenau | 332 |
| bcf | sisi1249 | Bamu (Sisiame Dialect) | K,
Bamu | 108 |
| sob | sobe1238 | Sobei | A,
M,
C,
E,
O,
W,
N,
S,
Sarmi | 17 |
| bon | soga1243 | Bine (Sogal Dialect) | E,
Bine | 154 |
| soge1235 | Proto-Sogeram | T,
M,
S,
+Sogeram | 103 |
| smc | somm1240 | Som | T,
F,
F,
Uruwa | 257 |
| siq | soni1260 | Sonia | T,
Bosavi | 97 |
| ppo | sope1239 | Folopa (Sopese Dialect) | T,
Folopa | 92 |
| urw | sopp1247 | Sop | T,
M,
R,
Peka | 376 |
| sout1516 | Proto-South Bird's Head | South Bird's Head | 81 |
| sout2934 | Proto-South-Binandere | T,
G,
B,
N,
South Binanderean | 37 |
| kts | sout2940 | Muyu, South | N,
A,
A,
O,
O,
L,
Division A Lowland Ok | 100 |
| aws | sout2941 | Awyu, South (Yenimu Dialect) | N,
A,
A,
G,
A,
Awyu | 279 |
| aws | sout2941 | Awyu, South (Syiagha Dialect) | N,
A,
A,
G,
A,
Awyu | 520 |
| omw | sout2943 | Tairora, South | T,
K,
K,
Tairora | 162 |
| kjd | sout2949 | Southern Kiwai (Tureture Dialect) | T,
Kiwaian | 149 |
| kjd | sout2950 | Southern Kiwai | T,
Kiwaian | 164 |
| sout3148 | Proto-South-Adelbert | T,
M,
South Adelbert Range | 289 |
| sow | sowa1245 | Sowanda | B,
Waris | 130 |
| szp | suab1238 | Suabo | T,
S,
Inanwatan | 192 |
| sue | suen1241 | Suena (Yema-Yarawe Dialect) | T,
G,
B,
North Binanderean | 97 |
| sue | suen1241 | Suena | T,
G,
B,
North Binanderean | 488 |
| sui | suki1245 | Suki | T,
G,
Suki | 95 |
| six | suma1270 | Sumau | T,
M,
R,
Peka | 349 |
| ppo | suri1271 | Folopa (Suri Dialect) | T,
Folopa | 99 |
| knv | tabo1241 | Tabo | S,
Waia | 171 |
| tzx | tabr1243 | Tabriak | R,
L,
Karawari | 509 |
| bjz | tafo1238 | Baruga (Tafota Dialect) | N,
G,
B,
N,
S,
C,
B,
Baruga | 625 |
| aos | taik1255 | Taikat | B,
Taikat | 91 |
| ago | tain1253 | Tainae | T,
A,
Nuclear Angan | 104 |
| uar | tair1256 | Tairuma | T,
E,
N,
E. | 111 |
| tcg | tama1336 | Tamagario | T,
Kayagar | 131 |
| tcm | tana1288 | Tanahmerah | T,
Tanah Merah | 81 |
| tni | tand1253 | Tandia | A,
M,
C,
E,
S,
W,
C,
Tandia | 19 |
| tkx | tang1353 | Tangko | T,
O,
O,
Tangko | 217 |
| tgu | tang1355 | Tanggu | R,
R,
Tanggu | 72 |
| afp | tape1242 | Alfendio | Arafundi | 93 |
| tari1255 | Proto-Tariku | L,
Tariku | 138 |
| taro1259 | Kokoda (Tarof Dialect) | S,
East South Bird's Head | 6 |
| tpf | tarp1240 | Tarpia | A,
M,
C,
E,
O,
W,
N,
S,
Sarmi | 25 |
