fff ffi ffk ffl ffn ffs fft fif fii fik fil fin fis fit fkf fki fkk fkl fkt flf fli fll fln fls flt fnf fni fnk fnl fnn fns fnt fsf fsi fsk fsl fsn fss fst ftf fti ftk ftl ftn fts ftt i-f iff ifi ifl ifn ifs ift iif iii iil iin iis iit ikf iki ikk ikl iks ikt il- ilf ili ilk ill iln ils ilt in- inf ini ink inl inn ins int is- isf isi isk isl isn iss ist itf iti itk itl itn its itt k-t kff kfi kfs kif kii kik kil kin kis kit kki kkk kkl kkn kks kkt kl- klf kli kls klt kn- knf kni knk knl knn knt ksf ksi ksk ksl ksn kss kst ktf ktk ktl ktn kts ktt lff lfi lfk lfl lfn lfs lft lif lii lik lil lin lis lit lkl lks lkt llf lli llk lll lln lls llt lni lnk lnl lnn lns lnt lsf lsi lsk lsl lsn lss lst ltf lti ltk ltl lts ltt n-i nff nfi nfk nfl nfn nfs nft nif nii nik nil nin nis nit nkf nki nkk nkn nks nkt nlf nli nlk nll nln nls nlt nnf nni nnk nnl nnn nns nnt nsf nsi nsk nsl nsn nss nst ntf nti ntk ntn nts ntt sff sfi sfk sfl sfn sfs sft sif sii sik sil sin sis sit sk- skf ski skk skl sks skt slf sli slk sll sln sls slt snf sni snk snl snn sns snt ss- ssf ssi ssk ssl ssn sss sst stf sti stk stl stn sts stt tff tfi tfk tfl tfn tfs tft tif tii tik til tin tis tit tkk tkl tks tkt tlf tli tlk tll tln tls tlt tnf tni tnk tnl tnn tns tnt tsf tsi tsk tsl tsn tss tst ttf tti ttk ttl ttn tts ttt