orphan
adorable
alone
angle
animal
baby
background
blue
brown
destroyed
dog
doggy
domestic
helpless
homeless
ill
illness
jack russell
leash
loneliness
lonely
lonesome
loss
lost
lovely
nature
nice
obedient
outside
pain
pet
puppy
road
runaway
sabbatical
sad
sadness
shallow
shattered
sick
sickness
singleness
sole
soleness
sweet
terrier
trip
unhappy