RRR

Dog's warning

• Academic basics, casually

• Attack poodle's warning

• Basic education trio

• Basic education, facetiously

• Basic education, familiarly

• Basic learning, for short

• Basic subjects, in a way

• Basics of edu.

• Basics of education

• Basics of grade school learnin'?

• Basics of learning, briefly

• Chainsaw noise

• Comic-book siren sound

• Doberman's warning

• Dog growl

• Education basics, briefly

• Education, in saying

• Education, initially

• Elem. curricula?

• Elementary letters?

• Elementary school letters?

• Elementary school offering?

• Elementary school trio

• Grade sch. basics

• Grade school basics, familiarly

• Grade-school basics, initially

• Grade-school ltrs.

• Grammar school basics, briefly

• Grammar school basics, for short

• Grammar school education, initially?

• Grammar school trio of basics?

• Grammar school trio?

• Growling sound

• Junkyard dog's warning

• Not so well-done

• Old-fashioned learning, in a way

• Postal abbr.

• Registered mail abbr.

• Sch. basics

• Sch. Subjects

• School basics, briefly

• School basics, in a way

• School basics, initially

• School days initials

• School days' trio

• School learnin'

• School offering, initially

• Sound of a recalcitrant engine

• The basics, in a way

• Watchdog's warning

• What to do for the home team, according to song