SONGBIRDS

bi bo do go id in is no od oi on or os si so

bid big bin bio bis bod bog bos bro dib dig din dis dog don dor dos gib gid gin gob god gor gos ids ins ion nib nob nod nog nor nos obi ods ons orb ors rib rid rig rin rob rod sib sin sir sis sob sod son sos sri

bids bigs bind bins biog bios bird biro bods bogs bond bong born boss brig brin brio bris bros dibs digs ding dino dins diss dogs dong dons dors doss drib gibs gids gins gird girn giro gobs gods grid grin inro ions iron nibs nobs nodi nods nogs noir nori obis orbs ribs rids rigs rind ring rins robs rods sibs sign sing sins sirs snib snob snog sobs sods song sons sorb sord sori sorn sris