fff ffi ffl ffn ffp ffs fft fif fii fil fin fip fis fit flf fli fll fln flp fls flt fnf fni fnl fnn fnp fns fnt fpi fpl fpn fpp fps fpt fsf fsi fsl fsn fsp fss fst ftf fti ftl ftn ftp fts ftt i-f iff ifi ifl ifn ifp ifs ift iif iii iil iin iip iis iit il- ilf ili ill iln ilp ils ilt in- inf ini inl inn inp ins int ipf ipi ipl ipn ipp ips ipt is- isf isi isl isn isp iss ist itf iti itl itn itp its itt l-p lff lfi lfl lfn lfp lfs lft lif lii lil lin lip lis lit llf lli lll lln llp lls llt lni lnl lnn lnp lns lnt lpf lpi lpl lpn lpp lps lpt lsf lsi lsl lsn lsp lss lst ltf lti ltl ltp lts ltt n-i nff nfi nfl nfn nfp nfs nft nif nii nil nin nip nis nit nlf nli nll nln nlp nls nlt nnf nni nnl nnn nnp nns nnt npf npi npl npn npp nps npt nsf nsi nsl nsn nsp nss nst ntf nti ntn ntp nts ntt p-p pff pfi pfl pfn pfp pfs pft pif pii pil pin pip pis pit plf pli pll pln plp pls plt pn- pnf pni pnl pnn pnp pns pnt ppf ppi ppl ppn ppp pps ppt ps- psf psi psl psn psp pss pst pt- ptf pti ptl ptn ptp pts ptt sff sfi sfl sfn sfp sfs sft sif sii sil sin sip sis sit slf sli sll sln slp sls slt snf sni snl snn snp sns snt spf spi spl spn spp sps spt ss- ssf ssi ssl ssn ssp sss sst stf sti stl stn stp sts stt tff tfi tfl tfn tfp tfs tft tif tii til tin tip tis tit tlf tli tll tln tlp tls tlt tnf tni tnl tnn tnp tns tnt tpf tpi tpl tpn tpp tps tpt tsf tsi tsl tsn tsp tss tst ttf tti ttl ttn ttp tts ttt