ug / ugg / ugh [ᴧg]
ug – n. – dread, an object of loathing; v. – causing disgust, loathing, dread or apprehension (note “g” is doubled in participles and past tense)
ugg – n. – a soft sheepskin boot originally designed in Australia
ugh – explicative/interjection – expressing disgust, historically with the guttural sound of a cough