Hola,
When an infinitive verb you can add the this kind of pronoun at the end of the verb.
I (Yo) ..........................................................pronoun: Me
Tú (you) ........................................................ pronoun: Te
Él/Ella/Usted (He/She/You in formal way).........pronoun: Se
etc,......
Hace tiempo que no TE veo
Llevo tiempo sin verTE
***And yes, is common connect two words in one word in Spanish specially verbs.