Unit 1 (at, ap, am)

      ay ··· bat, cat, fat, hat, mat, rat

      ap ··· cap, lap, map, nap, tap

      am ··· dam, ham, jam, ram

Unit 2 (ad, ag, an)

      ad ··· dad, mad, bad, sad, pad

      ag ··· bag, rag, wag, tag

      an ··· fan, man, can, van, pan

Unit 3 (et, en, ed, eg)

      et ··· jet, net, wet, pet

      en ··· hen, pen, ten, men

      ed ··· red, bed, wed

      eg ··· leg, beg, egg, peg

Unit 4 (ip, it, ib, id)

      ip ··· lip, tip, hip, zip, sip

      it ··· it, sit, hit, pit, zit

      ib ··· bib, nib, rib

      id ··· kid, lid

Unit 5 (ig, in, ix, ish)

      ig ··· pig, dig, wig, big, fig

      in ··· pin, win, bin, fin

      ix ··· fix, six, mix

      ish ··· fish, dish, wish

Unit 6 (op, ot, og, od)

      op ··· mop, hop, top, cop, pop

      ot ··· pot, hot, dot

      og ··· log, fog, jog, frog, dog

      od ··· rod, nod, pod

Unit 7 (up, ut, ub, ud)

      up ··· up, cup, pup

      ut ··· hut, nut, cut, gut

      ub ··· tub, rub, cub, sub

      ud ··· mud, bud

Unit 8 (ug, um, un, uck)

      ug ··· bug, mug, rug, hug, jug

      um ··· gum, hum, drum, plum

      un ··· sun, bun, nun, run

      uck ··· duck, buck, truck