onto
preposition /ˈɒntə/, before vowels  /ˈɒntu/
  /ˈɑːntə/,  /ˈɑːntu/
(also on to)
 Phrasal Verbs- used with verbs to express movement on or to a particular place or position- Move the books onto the second shelf.
- She stepped down from the train onto the platform.
 
- used to show that something faces in a particular direction- The window looked out onto the terrace.