indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 source (of a river);  fountainhead;  source;  origin;  root
 cherry tree;  cherry blossom;  fake buyer;  paid audience;  hired applauder;  horse meat
 today;  this day;  these days;  recently;  nowadays
 from (e.g. time, place, numerical quantity);  since;  from (originator);  by;  because;  since;  out of (constituent, part)
 senior high school;  high school
 pupil in ... year;  student in ... year
 always;  all the time;  never;  usual;  regular
 a tiny bit;  just a smidgin;  a wee bit;  very slightly
 entirely useless;  completely worthless;  no no;  don't!
 at;  in;  at;  when;  by;  with;  and then
 to hold (in one's hand);  to take;  to possess;  to have;  to maintain;  to keep;  to last
 don't;  do;  hey;  listen;  now, ...;  well, ...
 things like;  something like;  someone like;  such a thing as;  (the fact) that;  to think that
 to think;  to consider;  to think (of doing);  to plan (to do);  to judge;  to assess;  to imagine
 time;  hour;  occasion;  case;  chance;  opportunity
 too;  also;  both A and B;  A as well as B;  even;  as much as
 to be;  to exist;  to have;  to be located;  to be equipped with;  to happen
 particle indicating that the speaker is trying to recall some information
 from now on;  after this;  in the future;  from here;  from this point
 to differ (from);  to vary;  to not be in the usual condition;  to not match the correct (answer, etc.);  to be different from promised;  isn't it?
 if;  when;  and;  with;  used for quoting (thoughts, speech, etc.);  promoted pawn;  indicates a question
 hey;  you;  hey;  hey;  hold on;  yo
 style;  way;  shape;  form;  appearance;  state
 quantity;  amount;  volume;  number;  amount of money
 myself;  yourself;  I;  me;  you
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 to become;  to get;  to result in;  to turn out;  to consist of;  to be composed of;  to be completed
 then;  and then;  and;  if so;  because then;  if that's the case
 surely;  undoubtedly;  sternly;  severely;  having no slack;  rigid
 you said;  he said;  if ... then;  do you seriously think that;  I already told you;  you should know by now that;  the said ...
 enjoyable;  fun;  pleasant;  happy;  delightful
 amount necessary to fill a container (e.g. cupful, spoonful, etc.);  drink (usu. alcoholic);  full;  one squid, octopus, crab, etc.;  one boat;  fully;  to capacity
 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
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 to wait;  to await;  to look forward to;  to depend on;  to need
 yes;  yeah;  hum;  hmmm;  oof
 I'm off;  see you later;  to go (and then come back)
 just (e.g. "just wait here");  come now;  tolerably;  passably;  well...;  I think...
 eh?;  what?;  yes;  that's correct; (arch.)  strengthens a question, assertion, etc.; (arch.)  hey
 ah!;  oh!;  yes;  indeed;  aah;  gah