space development;  space exploration
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 prosperous;  flourishing;  popular;  widespread;  active;  lively
 period;  epoch;  the times;  those days;  oldness;  ancientness
 at;  in;  at;  when;  by;  with;  and then
 what;  you-know-what;  that thing;  whatsit;  whachamacallit;  (not) at all;  (not) in the slightest
 discomfort;  inconvenience;  poverty;  want;  inability;  disability
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 to live;  to get along;  to spend (time)
 if;  when;  and;  with;  used for quoting (thoughts, speech, etc.);  promoted pawn;  indicates a question
 indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 excursion;  field trip;  school trip
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 that day;  the very same day
 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
 storm;  tempest;  uproar;  hullabaloo;  storm (e.g. of protest)
 to recognise;  to recognize;  to know by sight;  to become acquainted with
 to drift (to);  to be washed ashore
 and;  and then;  thus;  and now;  and finally
 to begin;  to start;  to happen (again);  to begin (anew);  to date (from);  to originate (in)
 aah!;  ooh!;  oh no!;  oh boy!
 yes;  indeed;  ha!;  what?;  huh?;  sigh
 this;  this one;  this person;  now;  this point (in time);  here;  used to stress the subject of a sentence
 safe;  secure;  certainly;  surely;  no thanks;  I'm good
 indicates a question;  or;  whether or not;  some- (e.g. something, someone);  hmm;  huh;  very
 tightly (holding on);  firmly;  strongly (built);  solidly;  properly;  well
 the expectation is that ...;  the reason is that ...;  the fact is that ...;  the explanation is that ...;  it is that ...
 pluralizing suffix (esp. for people and animals; formerly honorific)
 Milky Way galaxy;  Milky Way;  the Galaxy;  galactic system;  galaxy
 from (e.g. time, place, numerical quantity);  since;  from (originator);  by;  because;  since;  out of (constituent, part)
 to come (spatially or temporally);  to approach;  to come back;  to do ... and come back;  to come to be;  to become
 person;  someone;  human beings;  mankind;  human (Homo sapiens);  (other) people;  others
 certain;  sure;  doubtless;  I have no doubt;  You can depend on it;  It's a safe bet
 that is so;  that is right;  it looks to me;  people say that;  it is said that;  I hear that
 to return;  to come home;  to leave;  to get home;  to get to home plate
 right?;  isn't it?;  hey;  say;  you know;  you see;  will you?
 yes;  that is correct;  um;  errr;  huh?;  grrr
 at last;  finally;  barely;  narrowly;  just
 wow!;  oh!;  yeah!;  alright!;  waah!;  boohoo!
 how;  in what way;  why;  for what reason;  cannot possibly;  no way