-ol -up fff ffl ffn ffo ffp ffs ffu flf fll fln flo flp fls flu fnf fnl fnn fnp fns fnu fof fol fon foo fop fos fou fpl fpn fpo fpp fps fpu fsf fsl fsn fso fsp fss fsu fuf ful fun fuo fup fus fuu l-p lff lfl lfn lfo lfp lfs lfu llf lll lln llo llp lls llu lnl lnn lno lnp lns lnu lof lol lon loo lop los lou lpf lpl lpn lpo lpp lps lpu lsf lsl lsn lso lsp lss lsu luf lul lun luo lup lus luu nff nfl nfn nfo nfp nfs nfu nlf nll nln nlo nlp nls nlu nnf nnl nnn nno nnp nns nnu no- nof nol non noo nop nos nou npf npl npn npo npp nps npu nsf nsl nsn nso nsp nss nsu nul nun nuo nup nus nuu of- off ofl ofn ofo ofp ofs ofu olf oll oln olo olp ols olu on- onf onl onn ono onp ons onu oo- oof ool oon ooo oop oos op- opf opl opn opo opp ops os- osf osl osn oso osp oss osu ou- ouf oul oun ouo oup ous p-p pff pfl pfn pfo pfp pfs pfu plf pll pln plo plp pls plu pn- pnf pnl pnn pno pnp pns pnu pof pol pon poo pop pos pou ppf ppl ppn ppo ppp pps ppu ps- psf psl psn pso psp pss psu puf pul pun pup pus puu sff sfl sfn sfo sfp sfs sfu slf sll sln slo slp sls slu snf snl snn sno snp sns snu sof sol son soo sop sos sou spf spl spn spo spp sps spu ss- ssf ssl ssn sso ssp sss ssu suf sul sun suo sup sus suu uff ufl ufn ufo ufp ufs ufu ulf ull uln ulo ulp uls ulu un- unf unl unn uno unp uns unu uol uon uoo uop uos up- upf upn upo upp ups upu usf usl usn uso usp uss usu uun uus uuu