fff ffn ffp ffs fft ffw fnf fnn fnp fns fnt fnw fpn fpp fps fpt fsf fsn fsp fss fst fsw ftf ftn ftp fts ftt ftw fwf fwn fwp fws fwt nff nfn nfp nfs nft nnf nnn nnp nns nnt nnw npf npn npp nps npt npw nsf nsn nsp nss nst nsw ntf ntn ntp nts ntt nwf nwn nwp nws nwt p-p pff pfn pfp pfs pft pn- pnf pnn pnp pns pnt pnw ppf ppn ppp pps ppt ppw ps- psf psn psp pss pst psw pt- ptf ptn ptp pts ptt ptw pwf pwn pwp pws pwt sff sfn sfp sfs sft sfw snf snn snp sns snt snw spf spn spp sps spt spw ss- ssf ssn ssp sss sst ssw stf stn stp sts stt stw swf swn swp sws swt tff tfn tfp tfs tft tfw tnf tnn tnp tns tnt tnw tpf tpn tpp tps tpt tpw tsf tsn tsp tss tst tsw ttf ttn ttp tts ttt ttw twf twn twp tws twt tww wff wfn wfp wfs wft wfw wn- wnf wnn wnp wns wnt wnw wpf wpn wpp wps wpt wsf wsn wsp wss wst wsw wtf wtn wtp wts wtt wtw wwf wwn wwp wwt www