-ol fff ffi ffl ffo ffr ffs ffu fif fii fil fir fis fiu flf fli fll flo flr fls flu fof foi fol foo for fos fou frf fri frl fro frr frs fru fsf fsi fsl fso fsr fss fsu fuf fui ful fuo fur fus fuu i-f iff ifi ifl ifo ifr ifs ifu iif iii iil iio iir iis iiu il- ilf ili ill ilo ilr ils ilu io- iof ioi iol ioo ior ios iou ir- irf iri irl iro irr irs iru is- isf isi isl iso isr iss isu iu- iui iur ius lff lfi lfl lfo lfr lfs lfu lif lii lil lio lir lis liu llf lli lll llo llr lls llu lof loi lol loo lor los lou lrf lri lro lrr lrs lru lsf lsi lsl lso lsr lss lsu luf lui lul luo lur lus luu o-i of- off ofi ofl ofo ofr ofs ofu oif oii oil oio oir ois oiu olf oli oll olo ols olu oo- oof ooi ool ooo oor oos or- orf ori orl oro orr ors oru os- osf osi osl oso osr oss osu ou- ouf oui oul ouo our ous rff rfi rfl rfo rfr rfs rfu rif rii ril rio rir ris rlf rli rll rlo rlr rls rlu rof roi rol roo ror ros rou rrf rri rrl rrr rrs rru rsf rsi rsl rso rsr rss rsu ruf rui ruo rur rus ruu sff sfi sfl sfo sfr sfs sfu sif sii sil sio sir sis siu slf sli sll slo slr sls slu sof soi sol soo sor sos sou sr- srf sri srl sro srr srs ss- ssf ssi ssl sso ssr sss ssu suf sui sul suo sur sus suu uff ufi ufl ufo ufr ufs ufu uif uii uil uio uir uis uiu ulf uli ull ulo ulr uls ulu uol uoo uor uos ur- urf uri url uro urr urs uru usf usi usl uso usr uss usu uur uus uuu