nj, njd.--Range, ranged, hinge, hinged.

pr.--Prat, prim, print, prone, prune, pry, prank.
pl.--Plant, plod, plum, plus, apple, cripple.
ps, pst.--Nips, nip'st, taps, tap'st, mops, mop'st.
pt, pts.--Adopt, adopts, adept, adepts, crypt, crypts.

rj, rjd.--Merge, merged, charge, charged, urge, urged.
rd.--Card, cord, curd, herd, ford, ward, bird.
rdz, rdst.--Cards, card'st, herds, herd'st, cords, cord'st.
rk.--Bark, jerk, dirk, cork, lurk, work.
rks, rkst.--Barks, bark'st, lurks, lurk'st.
rl.--Marl, curl, whirl, pearl, whorl, snarl.
rlz, rlst.--Curls, curl'st, whirls, whirl'st, twirls, twirl'st.
rld, rldst.-- Curled, curl'd'st, whirled, whirl'd'st, snarled, snarl'd'st.
rm.--Arm, term, form, warm, storm, worm, sperm.
rmz, rmst.--Arms, arm'st, fbrms, form'st.
rmd, rmdst.--Armed, arm'd'st, formed, form'd'st.
rn.--Barn, warn, scorn, worn, earn, turn.
rnz, rnst.--Turns, turn'st, scorns, scorn'st.
rnd, rndst.--Turned, turn'd'st, scorned, scorn'd'st.
rt.--Dart, heart, pert, sort, girt, dirt, hurt.
rts, rtst.--Darts, dart'st, girts, girt'st, hurts, hurt'st.
rch, rchd.--Arch, arched, perch, perched.

sk.--Ask, scab, skip, risk, skum, bask, husk.
sks.--Asks, tasks. risks, whisks, husks.
skd, skst.--Asked, ask'st, risked, risk'st, husked, husk'st.
sp, sps.--Gasp, gasps, rasp, rasps, crisp, crisps.