Usually the vowel followed by one consonant is given the long sound, whereas, when the consonant is doubled, the vowel usually has the short sound, as illustrated in the following words.

biterplatertoperhoping
bitterplatterstopperhopping
dinershinytinydoted
dinnershinnytinnydotted
cuterhaterpokeroffer
cutterhatedpaperwider
holyhattertaperspider
hollyridingfavordiver
bonyriddingfevergallon
bonnybitingcloverracer
bogybittingovercider
boggycaninghalolabel
Marycanningsoloyellow
marryplanerpolojolly
mateplannerflabbyjelly
matterrudershabbymaker
robedrudderruddytaker
robbedlopingtulipdummy
piningloppingcedarcommon
pinningbakertamermoment
tuningshadylinersilent
stunningladypacerruby
planingtidygiddybonnet
planningponysuddenpenny

The following words illustrate silent k, g, w, b, l, t, and gh.

kneekneelkneltknellknit
knifeknotknockknobknew
knavekneadknowknackgnat
gnawgnugnashgnarlgnome
wrywrenwristwrotewrite
wrapwringwrungwrongwrest
wreckwrathwretchwreakwrench
writhewreathhighsighwright
thighlightfighttightsight
knightrightfrightplightnight
blightslightbrightflightmight
caughtnaughttaughtdaughteraught
tightlybrightlylightlylightningnaughty
climbcombcrumbdumblamb
limbnumbthumbdebtdoubt
combingcalfhalfbalmcalm
chalkstalkwalkfolkstalk
oftensoftencastlejostlerustle
thistlewhistlechestnutfastenlisten