1  2  3 

1  _  _  _

2  _  _  _

3  _  _  _


ACROSS
1)  sleep
2)  a man who serves as a sailor
3)  a vehicle carrying many passengers; used for public transport


DOWN
1)  formerly the predominant security police organization of soviet russia
2)  an informal debt instrument; representing `i owe you'
3)  a solution containing a phosphate buffer

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kip
gob
bus