particle indicating that the speaker is trying to recall some information
 inside;  within;  while (e.g. one is young);  during;  among;  amongst;  in (secret, chaos, poverty, etc.)
 to open;  to undo;  to bloom;  to unfold;  to open (for business, e.g. in the morning);  to be wide (gap, etc.);  to widen
 for the first time;  only after ... is it ...;  only when ... do you ...;  first time;  (one's) first
 the front;  honesty;  uprightness;  decency;  normality
 face;  visage;  look;  expression;  honor;  honour
 space (between);  gap;  period of time (during, while);  duration;  between (two parties or things);  among (a group);  relations (between)
 to dazzle one's eyes;  to hold one's gaze;  to fascinate;  to captivate
 with a rustling sound;  rippling (of a stream, etc.);  murmuring;  slurping down (ochazuke);  quickly and easily (e.g. write a letter);  with ease
 long (distance, length);  long (time);  protracted;  prolonged
 pretty;  lovely;  clean;  clear;  completely;  entirely
 to stretch;  to extend;  to straighten out;  to be flattened;  to spread (of paint, cream, etc.);  to stretch out (e.g. of a hand);  to extend
 gem;  jewel;  precious stone
 to inhale;  to breathe in;  to suck up;  to absorb;  to soak up
 the more ... the more ...;  as; (arch.)  while; (arch.)  during; (arch.)  because; (arch.)  since
 deep;  profound;  dense;  thick;  close (relationship);  intense;  strong
 colour;  color;  complexion;  skin colour;  look (on one's face);  expression;  appearance
 smallish;  on the small side;  somewhat small;  short swing of a bat, racquet, etc.
 again;  once more;  also;  too;  on the other hand;  while;  and
 to set off to advantage;  to bring into prominence;  to support;  to favor;  to rouse (spirits);  to march (a prisoner) off
 to come to one's senses;  to calm down
 to shake one's head (in denial)
 to mutter;  to murmur;  to grumble;  to tweet (Twitter)
 myself;  yourself;  I;  me;  you
 fearfully;  timidly;  nervously;  cautiously;  gingerly
 to hit;  to expose;  to apply (e.g. patch);  to put on;  to allot;  to call on someone (e.g. in class);  to guess (an answer)
 to touch;  to feel;  to touch (with);  to experience;  to come in contact with;  to touch on (a subject);  to allude to
 hand;  arm;  forepaw;  foreleg;  handle;  hand;  worker
 to separate;  to part;  to divide;  to keep apart
 facial expression;  countenance;  look;  appearance;  expression (vocal, etc.)
 to float;  to set afloat;  to show on one's face (smile, sadness, etc.);  to recall;  to call to mind
 tear;  tears;  lachrymal secretion;  sympathy
 to float;  to be suspended;  to rise to the surface;  to appear;  to come to mind;  to have inspiration
 I'm sorry;  my apologies;  may I come in?;  permission;  leave;  dismissal
 a little;  a bit;  just a minute;  for a moment;  somewhat;  rather;  (not) easily
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 I wonder;  should I?;  is it?;  I wish that;  I hope that