YASIN, ALIF LAAM MEEM, HA MEEM AIN SEEN KAAF are all Huroof-e-Muqataat. Only Allah or His Prophet know the meaning of these haroof, but all these huroof are the most precious words for a muslim.
Yasin, Yaseen
The two opening letters of Surah 36 in the Quran; one of the Prophets names
Yasir
Wealthy
Yathrib
Former name of the city of Madinnah.
Yawar
Helping.
Yazan
Od Arabic name
Yazid, Yazeed
God will increase, enhance
Youssef, Yusef, Yusuf
To increase (in power and influence); a Prophets name (Joseph)