Words to Describe subproblems

How subproblems often is described ("________ subproblems")

• interconnected
• interdependent
• distinct
• smaller
• solvable
• relaxed
• easier
• sub
• simple
• primitive
• separable
• explicit
• tractable
• various
• many
• several
• specific
• relevant
• specialized
• class
• small
• dual
• defined
• unconstrained
• fewer
• discrete
• identical
• constrained
• open
• appropriate
• active
• manageable
• linearized
• corresponding
• difficult
• further
• generated
• decomposed
• critical
• meaningful
• disjoint
• linear
• unsolved
• new
• simpler
• interrelated
• separate
• feasible
• detailed
• larger
• dimensional
• related
• unexplored
• following
• associated
• unsolvable
• numerous
• successive
• independent
• nonlinear
• different
• elementary
• subsequent
• quadratic
• individual
• major
• local
• dependent
• complex
• multiple
• level
• deceptive