sk/s – ski/see, skip/sip
sk/k – ski/key, scar/car
sl/s – slide/side, sling/sing
sl/l – slime/lime, slip/lip
sn/s – snail/sail, snap/sap
sn/n – snail/nail, snap/nap
sp/s – speed/seed, spider/cider
sp/p – spy/pie, spill/pill
st/s – stick/sick, stand/sand
st/t – star/tar, stick/tick
sw/s – sweet/seat, swing/sing
sw/w – swing/wing, switch/witch
