oy not so much a word as an entire vocabulary, as Rosten   can express any emotion, from trivial delight to the blackest woe. 
( ( ( ( ( oy not ) ( ( so ( much ( a word ) ) ) ( as ( an ( entire vocabulary ) ) ) ) ) , ) ( as ( Rosten ( can ( ( ( express ( any emotion ) ) , ) ( from ( ( trivial delight ) ( to ( the ( blackest woe ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB oy) (RB not) (ADVP (RB so) (NP (RB much) (DT a) (NN word)) (PP (IN as) (NP (DT an) (JJ entire) (NN vocabulary)))) (, ,) (SBAR (IN as) (S (NP (NNP Rosten)) (VP (MD can) (VP (VB express) (NP (DT any) (NN emotion)) (, ,) (PP (IN from) (NP (NP (JJ trivial) (NN delight)) (PP (TO to) (NP (DT the) (JJS blackest) (NN woe)))))))))) (. .)))
Oy can be used to express anything from trivial delight to the blackest woe.
( Oy ( ( can ( be ( used ( to ( ( ( express anything ) ( from ( trivial delight ) ) ) ( to ( the ( blackest woe ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Oy)) (VP (MD can) (VP (VB be) (VP (VBN used) (S (VP (TO to) (VP (VB express) (NP (NN anything)) (PP (IN from) (NP (JJ trivial) (NN delight))) (PP (TO to) (NP (DT the) (JJS blackest) (NN woe))))))))) (. .)))