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
 finally;  at last;  barely;  narrowly;  gradually;  little by little
 Musashi (former province located in parts of present-day Tokyo, Kanagawa and Saitama prefectures)
 certainly;  of course;  even if;  no matter (who, what, when, where, why, how);  without even;  without so much as;  at the (least, earliest, etc.)
 to talk;  to speak;  to tell;  to explain;  to speak (a language)
 to be able (to);  to be possible (to)
 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
 is that so? (generally rhetorical)
 too;  also;  both A and B;  A as well as B;  even;  as much as
 seriousness;  earnestness;  truth;  sanctity
 to become;  to get;  to result in;  to turn out;  to consist of;  to be composed of;  to be completed
 indicates a question;  or;  whether or not;  some- (e.g. something, someone);  hmm;  huh;  very
 deep sea;  depths of the sea;  ocean depths
 wind;  breeze;  manner;  behaviour;  cold;  influenza
 you said;  he said;  if ... then;  do you seriously think that;  I already told you;  you should know by now that;  the said ...
 so;  like this;  in this way
 good feeling;  feeling good
 right?;  isn't it?;  hey;  say;  you know;  you see;  will you?
 time;  hour;  occasion;  case;  chance;  opportunity
 (not) at all;  (not) in the slightest;  wholly;  entirely;  extremely;  very
 to understand;  to comprehend;  to become clear;  to be known;  I know!;  I think so too!
 truth;  reality;  sincerity;  honesty; (arch.)  that's right