Some four-letter words with the second letter "o" and the fourth letter "t" include "boot," "moot," "loot," and "toot." These words follow the pattern of having the second letter as "o" and the fourth letter as "t," making them suitable examples for this specific criteria.
Some four letter words with second letter U and fourth letter O are:autoeurojudokudoouzo
calf is one barf another
unto, undo, updo
Were and here are four letter words. Additional words include mere and fete (to honor with a celebration).
here, logo, stat
Lavagenewerezitigaladatapolosolotutuguru
fern
Some four letter words with a second letter U are:auraburncurbcuredulldumbeurofundguruhugejumpjunklumpluremuchmutenudeoustpullpurepushrulerumpruinruserushrustsuchsurftune
Numerous 4 letter words include the same second and fourth letter. A few of those words include bozo, data, fete, here, hobo, java, kiwi, lama, lava, loco, logo, mama, mere, mini, papa, polo, saga, solo and were.
drat
hymn
Four letter words with I as the fourth letter are:chaidelilocisemitaxitikiwadiyogizitimagiNaziFijiHopiZuniMaui