1 syllable:
am's, ambs, ams, brams, cam's, cambs, chams, clams, crams, dam's, damms, damns, dams, flams, glams, graham's, grahams, gramm's, grammes, gramms, grams, hammes, hamms, hams, jam's, jambes, jambs, jams, krammes, lamb's, lambs, lambs', lamm's, lamms, pam's, prams, rams, sam's, samms, sams, scams, scrams, shammes, slams, spams, tambs, tamms, trams, whams, yams

2 syllables:
ashrams, buckrams, doorjambs, drams, engrams, exams, flimflams, ghadames, iambs, jim-jams, jimjams, logjams, madames, mailgrams, mesdames, oxfam's, priam's, program's, programmes, programs, programs', tam-tams, tangrams, trigrams, webcams, whim-whams

3 syllables:
abrahams, aerogrammes, aerograms, amsterdam's, anagrams, cablegrams, cartograms, centigrammes, centigrams, choriambs, cladograms, cofferdams, cryptograms, cunningham's, decigrams, dendrograms, deprograms, diagrams, diaphragms, dithyrambs, echograms, epigrams, hectograms, hexagrams, histograms, holograms, kilogrammes, kilograms, lexigrams, lipograms, logograms, mammograms, micrograms, milligrammes, milligrams, monograms, myfreecams, nomograms, pentagrams, phonograms, photograms, picograms, pictograms, polygram's, reprograms, seismograms, skiagrams, sonograms, spectrograms, subprograms, telegrams, thermograms, tomograms, venograms, westerdam's

4 syllables:
bananagrams, cardiograms, heliograms, ideograms, microprograms, roentgenograms, stereograms, verilog-ams

5 syllables:
happyholograms, los angeles rams

6 syllables:
echocardiograms, phonocardiograms

7 syllables:
electrocardiograms

8 syllables:
electroencephalograms