fff ffg ffi ffk ffl ffs ffu fgf fgg fgi fgl fgs fif fig fii fik fil fis fiu fkf fkg fki fkk fkl flf flg fli fll fls flu fsf fsg fsi fsk fsl fss fsu fuf fug fui fuk ful fus fuu gff gfi gfk gfl gfs ggg ggi ggs ggu gif gig gii gik gil gis giu gks glf glg gli glk gll gls glu gsf gsg gsi gsk gsl gss gsu gu- guf gug gui guk gul gus guu i-f iff ifg ifi ifl ifs ifu igf igg igi igk igl igs igu iif iii iil iis iiu ikf iki ikk ikl iks iku il- ilf ilg ili ilk ill ils ilu is- isf isg isi isk isl iss isu iu- iug iui ius kff kfg kfi kfs kfu kgf kgi kgl kgs kgu kif kig kii kik kil kis kiu kki kkk kkl kks kku kl- klf klg kli kls klu ksf ksg ksi ksk ksl kss ksu kug kui kuk kul kus kuu lff lfg lfi lfk lfl lfs lfu lgf lgg lgi lgk lgl lgs lgu lif lig lii lik lil lis liu lkg lkl lks llf llg lli llk lll lls llu lsf lsg lsi lsk lsl lss lsu luf lug lui luk lul lus luu sff sfg sfi sfk sfl sfs sfu sgf sgg sgi sgk sgl sgs sgu sif sig sii sik sil sis siu sk- skf skg ski skk skl sks sku slf slg sli slk sll sls slu ss- ssf ssg ssi ssk ssl sss ssu suf sug sui suk sul sus suu uff ufg ufi ufl ufs ufu ugf ugg ugi ugk ugl ugs ugu uif uig uii uil uis uiu ukf uki ukk ukl uku ulf ulg uli ulk ull uls ulu usf usg usi usk usl uss usu uug uus uuu