-ug jug -ug smug -ug rug -ug bug -an fan -an man -an than -an pan -et pet -et let -et wet -et set -op flop -op shop -op top -op hop -ig wig -ig big -ig rig -ig swig -ap tap -ap rap -ap flap -ap sap -ell fell -ell swell -ell tell -ell bell -ot lot -ot rot -ot shot -ot cot -it lit -it bit -it sit -it fit -ut shut -ut rut -ut nut -ut gut -un run -un shun -un bun -un fun -ox fox -ox box -ag bag -ag rag -ag snag -ag flag short vowel word families