indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 convenient;  handy;  useful
 enjoyable;  fun;  pleasant;  happy;  delightful
 pleasant;  agreeable;  comfortable
 trip by boat;  sea trip;  voyage;  cruise
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 honorific/polite/humble prefix;  honorific suffix
 service;  ministry;  attendance;  offering goods at a reduced price;  providing a service for free
 to be (animate);  to be;  to be ..ing;  to (have the audacity to) do
 pretty;  lovely;  clean;  clear;  completely;  entirely
 yes;  yeah;  hum;  hmmm;  oof
 safety;  security;  safely;  without incident;  good health;  inaction
 to get on (train, plane, bus, ship, etc.);  to get in;  to get on (e.g. a footstool);  to step on;  to reach;  to go over;  to follow
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 a little;  a bit;  just a minute;  for a moment;  somewhat;  rather;  (not) easily
 tasks;  things to do;  errand;  business (to take care of);  affairs;  engagement
 to be able (in a position) to do;  to be up to the task;  to be ready;  to be completed;  to be made;  to be built;  to be good at
 slow;  time-consuming;  late (in the day);  towards the end (of the day or night);  later (than expected or usual);  late
 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 feel anxious;  to feel nervous;  fluttering down;  trickling down (e.g. tears);  hanging untidily (of hair);  straggling
 to be in time (for);  to serve (suit, meet) the purpose;  to be good enough;  to be enough
 futility;  waste;  uselessness;  pointlessness;  idleness
 place;  spot;  address;  district;  area;  one's house;  point
 in that way;  thus;  so;  so?
 with trouble;  at great pains;  rare;  valuable;  kind;  generous
 reservation;  appointment;  contract;  subscription;  programming (e.g. a device);  setting (e.g. a timer)
 to give;  to let (one) have;  to give;  to do for one;  to take the trouble to do;  to do to someone's disadvantage
 although;  despite;  whereas;  while;  if only;  I wish
 something like ...;  things like ...;  someone like ...;  the likes of ...
 awfully;  frightfully;  desperately;  violently;  unduly;  extremely
 many;  numerous;  large amount of;  large quantity of;  frequent;  common
 today;  this day;  these days;  recently;  nowadays
 from (e.g. time, place, numerical quantity);  since;  from (originator);  by;  because;  since;  out of (constituent, part)
 winter vacation;  winter holidays
 that is to say;  so that means
 too;  also;  both A and B;  A as well as B;  even;  as much as
 complete defeat;  losing all of one's matches;  finishing the tournament with no wins
 thoroughly;  completely;  severely;  harshly; (arch.)  scattered; (arch.)  disconnected
 to tease;  to make fun of;  to poke fun at;  to make a crack about;  to chaff;  to kid