UPSHIFTING

hi if in is it nu pi sh si ti uh un up us ut

fig fin fit fug fun ghi gin gip git gnu gun gut hin hip his hit hug hun hup hut ifs ins its nip nit nth nus nut phi pht pig pin pis pit piu psi pst pug pun pus put sin sip sit sun sup tin tip tis tug tui tun tup ugh uns ups uts

figs fins fish fist fits fugs funs ghis gift gins gips gist gits gnus guns gush gust guts hins hint hips hisn hist hits hugs hung huns hunt huts inti nigh nips nisi nits nuts pfui phis phut pigs ping pins pint pish pith pits ptui pugh pugs pung puns punt push puts shin ship shit shun shut sift sigh sign sing sinh sith snip snit snug spin spit spun stun sugh suit sung thin this thug thus ting tins tipi tips tugs tuis tung tuns tups tush ughs unit