-ol -up fff ffi ffl ffo ffp ffr ffs ffu fif fii fil fip fir fis fiu flf fli fll flo flp flr fls flu fof foi fol foo fop for fos fou fpi fpl fpo fpp fpr fps fpu frf fri frl fro frp frr frs fru fsf fsi fsl fso fsp fsr fss fsu fuf fui ful fuo fup fur fus fuu i-f iff ifi ifl ifo ifp ifr ifs ifu iif iii iil iio iip iir iis iiu il- ilf ili ill ilo ilp ilr ils ilu io- iof ioi iol ioo iop ior ios iou ipf ipi ipl ipo ipp ipr ips ipu ir- irf iri irl iro irp irr irs iru is- isf isi isl iso isp isr iss isu iu- iui iup iur ius l-p lff lfi lfl lfo lfp lfr lfs lfu lif lii lil lio lip lir lis liu llf lli lll llo llp llr lls llu lof loi lol loo lop lor los lou lpf lpi lpl lpo lpp lpr lps lpu lrf lri lro lrp lrr lrs lru lsf lsi lsl lso lsp lsr lss lsu luf lui lul luo lup lur lus luu o-i of- off ofi ofl ofo ofp ofr ofs ofu oif oii oil oio oip oir ois oiu olf oli oll olo olp ols olu oo- oof ooi ool ooo oop oor oos op- opf opi opl opo opp opr ops or- orf ori orl oro orp orr ors oru os- osf osi osl oso osp osr oss osu ou- ouf oui oul ouo oup our ous p-p pff pfi pfl pfo pfp pfr pfs pfu pif pii pil pio pip pir pis piu plf pli pll plo plp plr pls plu pof poi pol poo pop por pos pou ppf ppi ppl ppo ppp ppr pps ppu prf pri prl pro prp prr prs pru ps- psf psi psl pso psp psr pss psu puf pui pul pup pur pus puu rff rfi rfl rfo rfp rfr rfs rfu rif rii ril rio rip rir ris rlf rli rll rlo rlp rlr rls rlu rof roi rol roo rop ror ros rou rpf rpi rpl rpo rpp rpr rps rpu rrf rri rrl rrp rrr rrs rru rsf rsi rsl rso rsp rsr rss rsu ruf rui ruo rup rur rus ruu sff sfi sfl sfo sfp sfr sfs sfu sif sii sil sio sip sir sis siu slf sli sll slo slp slr sls slu sof soi sol soo sop sor sos sou spf spi spl spo spp spr sps spu sr- srf sri srl sro srp srr srs ss- ssf ssi ssl sso ssp ssr sss ssu suf sui sul suo sup sur sus suu uff ufi ufl ufo ufp ufr ufs ufu uif uii uil uio uip uir uis uiu ulf uli ull ulo ulp ulr uls ulu uol uoo uop uor uos up- upf upi upo upp upr ups upu ur- urf uri url uro urp urr urs uru usf usi usl uso usp usr uss usu uur uus uuu