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)
 hero;  heroine;  Eroica Symphony (Beethoven, 1804);  Heroic Polonaise (Chopin)
 indicates direct object of action;  indicates subject of causative expression;  indicates an area traversed;  indicates time (period) over which action takes place;  indicates point of departure or separation of action;  indicates object of desire, like, hate, etc.
 to collect;  to assemble;  to gather
 childhood friend;  friend from infancy;  old playmate
 truth;  reality;  sincerity;  honesty; (arch.)  that's right
 (one's) older brother;  young man;  sonny;  lad
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 to operate (e.g. a machine);  to handle;  to have a good command of (a language);  to play proficiently (of a musical instrument);  to work (a puppet);  to pull the strings of a puppet
 to finish;  to stop;  to close (a business, etc.);  to close down;  to put away;  to put back
 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)
 Sunday;  day (of the month);  counter for days;  Japan
 Alan (member of an ancient Scythian people)
 this;  last (couple of years, etc.);  these;  you (as in "you liar")
 the world;  society;  sphere;  circle;  world-renowned;  world-famous
 too;  also;  both A and B;  A as well as B;  even;  as much as
 where;  which;  anyway;  anyhow;  sooner or later;  eventually
 if;  when;  and;  with;  used for quoting (thoughts, speech, etc.);  promoted pawn;  indicates a question
 same;  identical;  equal;  anyway;  anyhow;  in either case
 to become;  to get;  to result in;  to turn out;  to consist of;  to be composed of;  to be completed
 now;  soon;  already;  yet;  further;  more
 to bewilder;  to perplex;  to puzzle;  to tempt;  to seduce
 thing;  matter;  incident;  occurrence;  circumstances;  situation;  work
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 you;  buddy;  monarch;  ruler;  he;  she
 one;  for one thing;  only;  (not) even;  just (e.g. "just try it");  some kind of;  one type of