看語句有問題

[niauah]

羅馬字='gún-tau ê tiān-uē hō-bé sī khòng ngóo - tshit khòng it pat it it ngóo'
減號提掉就無問題

Traceback (most recent call last):
...
File "/home/khing-iong/git/PakKhooTai-KauTui/kautui/autai/management/commands/giliau_csv.py", line 55, in handle
數字聲調, 白話字 = self.sng_soojitiau_poj(tsua['羅馬字'])
File "/home/khing-iong/git/PakKhooTai-KauTui/kautui/autai/management/commands/giliau_csv.py", line 98, in sng_soojitiau_poj
soojitiau = ku.轉音(臺灣閩南語羅馬字拼音).看語句()
File "/home/khing-iong/git/PakKhooTai-KauTui/kautui/venv/lib/python3.6/site-packages/臺灣言語工具/基本物件/句.py", line 48, in 看語句
集的型.append(一集.看語句())
File "/home/khing-iong/git/PakKhooTai-KauTui/kautui/venv/lib/python3.6/site-packages/臺灣言語工具/基本物件/集.py", line 41, in 看語句
return self.內底組[0].看語句()
File "/home/khing-iong/git/PakKhooTai-KauTui/kautui/venv/lib/python3.6/site-packages/臺灣言語工具/基本物件/組.py", line 47, in 看語句
and (敢是拼音字元(詞型[0]) or 詞型[0].isdigit() or 詞型[0] == 分字符號)
IndexError: string index out of range

[niauah]

'Tsit-kuá iâm kín lā kún-tsuí lim-- lo̍h-khì.'

這句mā是