fff ffi ffk ffl ffn ffs ffu fif fii fik fil fin fis fiu fkf fki fkk fkl flf fli fll fln fls flu fnf fni fnk fnl fnn fns fnu fsf fsi fsk fsl fsn fss fsu fuf fui fuk ful fun fus fuu i-f iff ifi ifl ifn ifs ifu iif iii iil iin iis iiu ikf iki ikk ikl iks iku il- ilf ili ilk ill iln ils ilu in- inf ini ink inl inn ins inu is- isf isi isk isl isn iss isu iu- iui ius kff kfi kfs kfu kif kii kik kil kin kis kiu kki kkk kkl kkn kks kku kl- klf kli kls klu kn- knf kni knk knl knn knu ksf ksi ksk ksl ksn kss ksu kui kuk kul kun kus kuu lff lfi lfk lfl lfn lfs lfu lif lii lik lil lin lis liu lkl lks llf lli llk lll lln lls llu lni lnk lnl lnn lns lnu lsf lsi lsk lsl lsn lss lsu luf lui luk lul lun lus luu n-i nff nfi nfk nfl nfn nfs nfu nif nii nik nil nin nis niu nkf nki nkk nkn nks nku nlf nli nlk nll nln nls nlu nnf nni nnk nnl nnn nns nnu nsf nsi nsk nsl nsn nss nsu nui nuk nul nun nus nuu sff sfi sfk sfl sfn sfs sfu sif sii sik sil sin sis siu sk- skf ski skk skl sks sku slf sli slk sll sln sls slu snf sni snk snl snn sns snu ss- ssf ssi ssk ssl ssn sss ssu suf sui suk sul sun sus suu uff ufi ufl ufn ufs ufu uif uii uil uin uis uiu ukf uki ukk ukl ukn uku ulf uli ulk ull uln uls ulu un- unf uni unk unl unn uns unu usf usi usk usl usn uss usu uun uus uuu