difficulty;  hardship;  trouble;  infeasibility;  inability (to carry out)
 to climb over;  to get over;  to surmount;  to overcome;  to surpass;  to overtake
 to advance;  to go forward;  to precede;  to go ahead (of);  to make progress;  to improve;  to deepen
 pluralizing suffix (esp. for people and animals; formerly honorific)
 when it comes to ...;  where ... is concerned;  if it's the case that ...;  if it turns out that ...;  if it's true that ...
 breakthrough;  great discovery
 ah!;  oh!;  yes;  indeed;  aah;  gah
 only;  just;  merely;  as much as;  to the extent of;  enough to
 indescribable;  inexpressible;  unspeakable;  indefinable;  nobody can tell
 particle used to indicate the speaker's hope, desire, wish, etc. (e.g. "it would be nice if ...", "I wish there were ...", etc.);  emphatic particle;  particle adding uncertainty
 scrawl;  scribble;  graffiti;  doodle
 splendid;  nice;  sufficient;  fine (in the sense of "I'm fine");  well enough;  OK
 narrow;  confined;  small;  limited;  narrow-minded;  confining
 so;  therefore;  accordingly;  consequently;  on those grounds;  that is why
 any more;  any further;  any better;  any longer
 new;  novel;  fresh;  recent;  latest;  up-to-date
 to go into;  to come into;  to penetrate;  to become complicated
 place;  room;  margin;  scope
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 it seems;  I think;  I guess;  right?;  don't you agree?
 seeming ...;  appearing ...;  -ish;  like a ...;  typical of ...
 don't;  do;  hey;  listen;  now, ...;  well, ...
 but;  however;  (and) yet;  nevertheless;  still;  for all that
 is not;  am not;  are not;  isn't it?
 to put in;  to let in;  to admit;  to accept;  to accept;  to comply;  to include
 certainly;  of course;  even if;  no matter (who, what, when, where, why, how);  without even;  without so much as;  at the (least, earliest, etc.)
 yes;  yeah;  huh?;  what?;  not;  's
 inside;  interior;  among;  within;  middle;  center;  during
 town;  city;  municipal;  urban
 tradition;  legend;  folklore
 anyhow;  at any rate;  anyway;  somehow or other;  generally speaking;  in any case
 confirmation;  verification;  validation;  review;  check;  affirmation
 to see;  to look;  to examine;  to look over;  to look after;  to attend to;  to experience
 safe;  secure;  certainly;  surely;  no thanks;  I'm good
 to chase;  to run after;  to follow (a set order, a trend, etc.);  to drive out;  to get rid of;  to drive (e.g. a herd)
 adds force or indicates command