what's the matter?;  what's wrong?
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 to be (of animate objects);  to exist;  to stay;  to be ...-ing;  to have been ...-ing
 from (e.g. time, place, numerical quantity);  since;  from (originator);  by;  because;  since;  out of (constituent, part)
 here;  this place;  this point;  here;  these past ... (e.g. three years);  these last ...
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 to come (spatially or temporally);  to approach;  to come back;  to do ... and come back;  to come to be;  to become
 the expectation is that ...;  the reason is that ...;  the fact is that ...;  the explanation is that ...;  it is that ...
 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
 child;  kid;  (one's) child;  offspring;  young (animal);  young woman;  offshoot
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 endorsing and questioning the preceding statement;  lamenting reflections on the preceding statement
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 hey;  you;  hey;  hey;  hold on;  yo
 anyhow;  in any case;  at any rate;  at best;  at most
 to take down;  to bring down;  to drop off (a passenger);  to let off;  to withdraw (money);  to use for the first time;  to wear for the first time
 least;  lowest;  worst;  awful;  horrible;  at the very least
 be;  is;  did;  (have) done;  please;  do
 suspension;  stoppage;  discontinuance;  interruption
 please (give me);  please (do for me)
 relatives;  one's family;  friends;  members of the same organization;  followers;  henchmen
 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.
 strict observance;  rigid adherence;  scrupulous compliance
 thing;  matter;  incident;  occurrence;  circumstances;  situation;  work
 a little;  a bit;  just a minute;  for a moment;  somewhat;  rather;  (not) easily
 to wait;  to await;  to look forward to;  to depend on;  to need
 teacher;  instructor;  sensei;  title or form of address for a teacher, master, doctor, lawyer, etc.;  intimate or teasing form of address; (arch.)  one's elder
 to cut;  to cut through;  to sever (connections, ties);  to turn off (e.g. the light);  to terminate (e.g. a conversation);  to hang up (the phone);  to punch (a ticket)
 honorific/polite/humble prefix
 existing (at the present moment);  alright;  acceptable;  to be (usu. of inanimate objects);  to have
 performing a surgical operation
 nicely;  properly;  frequently;  often;  I'm glad that you ...;  thank you for ...
 coolness;  calmness;  composure;  all right;  fine;  OK
 at;  in;  at;  when;  by;  with;  and then