つぶつぶ
grains; lumps
・grains
・drop
・counter for tiny particles
りゅうりゅう
each grain;every grain
りゅうりゅうしんく
toil and moil;working assiduously for;tireless hard work;painstaking labor (labour)
granulated;lumpy;bumpiness
つぶつぶかん
grainy sensation;lumpy feel