indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 sky;  air;  ether;  firmament;  the heavens
 indicates possessive;  nominalizes verbs and adjectives;  substitutes for "ga" in subordinate phrases;  (at sentence-end, falling tone) indicates a confident conclusion;  (at sentence-end) indicates emotional emphasis;  (at sentence-end, rising tone) indicates question
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 to attack;  to assail;  to succeed (someone in a post, role, etc.);  to make a sudden visit
 to come (spatially or temporally);  to approach;  to come back;  to do ... and come back;  to come to be;  to become
 eye;  eyeball;  eyesight;  sight;  look;  stare;  notice
 demon;  devil;  evil spirit;  -crazed person;  -obsessed person;  fiend
 to throw down;  to bring down;  to kill;  to defeat;  to overthrow;  to trip up
 to revive;  to come to oneself;  to be restored to life
 good;  advantage;  sake;  purpose;  consequence;  result
 Kamen Rider (TV series, the titular character)
 to make war (on);  to wage war (against);  to compete (against);  to struggle (against adversities, etc.);  to fight
 invasion;  incursion;  raid;  aggression;  intrusion;  trespass
 figure;  form;  appearance;  dress;  state;  condition
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 to disappear;  to vanish;  to go out (of a fire, light, etc.);  to die;  to fade (of a feeling, impression, etc.);  to vanish (e.g. of hope);  to go away (e.g. of a smell, itchiness, sleepiness)
 companions;  friends;  comrades;  mates;  partners
 from (e.g. time, place, numerical quantity);  since;  from (originator);  by;  because;  since;  out of (constituent, part)
 to be seen;  to be in sight;  to look;  to seem;  to come
 to become;  to get;  to result in;  to turn out;  to consist of;  to be composed of;  to be completed
 to leave (behind);  to leave (undone);  to not finish;  to save;  to set aside;  to leave (to someone, esp. after one's death)
 time;  hour;  period;  class
 behind;  rear;  after;  later;  remainder;  the rest;  more (e.g. five more minutes)
 third day of the month;  three days
 going out (of a nobleman, etc.);  visiting
 again;  once more;  also;  too;  on the other hand;  while;  and
 to finish;  to stop;  to close (a business, etc.);  to close down;  to put away;  to put back
 (what) the heck;  (why) in the world;  one object;  one body;  one form;  one style
 how;  in what way;  how about
 indicates a question;  or;  whether or not;  some- (e.g. something, someone);  hmm;  huh;  very
 if;  in case;  as for;  on the topic of;  if that's the case;  if so
 to understand;  to comprehend;  to become clear;  to be known;  I know!;  I think so too!
 that being the case;  because of ...;  the reason is ...;  given that ...
 any;  anything;  whatever;  I am told;  I hear;  I understand
 to be aware of;  to know;  to notice;  to feel;  to understand;  to comprehend;  to remember
 no sooner than;  as soon as;  immediately after;  at the thought of;  when I think about
 body;  torso;  trunk;  build;  physique;  health
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible