ffff ffss fftf ffun ffvs fnuf fssf fstv fuff fufu funf funs funt fuss fust fusu futs futu fvsu n-tv nfff nfsu nnnn nnss nntn nnvt nsfs nssf nsss nsts nstu ntfs ntnu ntsf ntss ntsu nttv nuff nunn nuns nunt nuss nust nusu nuts nutt nutu nvfs nvss nvtv s-vt sfnt sfss sfsu sfts snfu snns sntv snus ssns sssf ssss ssts st-v stfn stfu stnn stns stsf stss stuf stun stus stut stuv stvs suf- suff sufs sufu sun- sunn suns sunt sunu sus- suss sust susu sutu suus suvs svns tfss tnts tnut tssf tsst tsts tsun ttff ttfn ttss tttt tuff tuft tufu tunn tuns tunu tuss tust tuts tutt tutu tvsn tvss tvtv unns uns- unst unts untv unus unut usfs usnu ussf usss usst ussu usts usun usus uttu uutf uuuu uvvu vfts vsfs vsun vtun vutv vvvv