SURMOUNTING
Before
1: S
in2: SU
after
After
1: S
all, these, this3: SUU
obstacles4: SUUU
difficulties
Surrounder Phrases
many obstacles, difficultiesthese difficulties, obstaclesafter allall those, these, obstacles, itsits headdifficulties insuch obstacles, difficultiessuccessfully withoutthose obstaclesobstacles such, inin this, many, every