Group 1 spellings:

lie, tied, tried, dried, cried, tie, fried, died, spied, pie.

Group 2 spellings:

greatness, rudeness, achievement, darkness, agreement, adjustment, enjoyment, kindness, sadness, payment.

Group 1 spellings

Words ending y/ee and ve:

funny, have, family, very, love, happy, party, shove, dove, give.

Group 2 spellings

Words where the er and or sounds are spelled or and ar:

towards, word, work, warn, worm, warned, warm, world, war, worth.

Group 1

Words where the digraph ou makes an ow sound:

sound, about, shout, count, proud, mound, found, around, out, mouth.

Group 2

Words where the digraph ey makes an ee sound:

chimney, journey, monkey, jockey, valley, key, trolley, kidney, turkey, donkey

Group 1

Words where the digraphs oa and oe make an oa sound:

goat, woe, doe, road, boat, toe, goes, coat, soap, dominoes

Group 2

Challenge words:

class, grass, bath, last, pass, rather, father, past, plant, path

Group 1

Words where the digraph oo makes an u sound:

cook, book, wool, took, brook, stood, shook, wood, foot, good.

Group 2

Words where o makes an u sound:

done, money, cover, brother, other, wonder, mother, dozen, some, nothing.

Group 1

Words where the digraph oo makes an u sound:

stood, cook, brook, wool, good, took, book, foot, shook, wood.

Group 2

Words where a makes an or sound before l and ll:

fall, small, ball, always, all, bald, call, walk, talk, also.

Group 1

Words with the digraphs ir and ur:

burst, hurt, girl, Thursday, shirt, bird, third, turn, church, first.

Group 2

Words where ed is added to single syllable words:

patted, hummed, dropped, clapped, clipped, wrapped, napped, ripped, drummed, dragged

Group 1

Words where the digraph er is unstressed at the end of words:

winter, better, ever, river, sister, after, never, summer, brother, under.

Group 2

Words where ing is added to single syllable words:

dropping, sitting, hopping, slipping, humming, patting, clapping, wrapping, running, flipping.

Group 1 spellings

Words where the digraph er is stressed:

perch, herb, fern, germ, person, verb, her, mermaid, stern, term.

Group 2 spellings

Words where er, est, and ed are added to words ending in e:

closest, looser, largest, loved, safer, writer, simpler, nicer, hoped, baker