-ol fff ffl ffn ffo ffs fft ffu flf fll fln flo fls flt flu fnf fnl fnn fns fnt fnu fof fol fon foo fos fot fou fsf fsl fsn fso fss fst fsu ftf ftl ftn fto fts ftt ftu fuf ful fun fuo fus fut fuu lff lfl lfn lfo lfs lft lfu llf lll lln llo lls llt llu lnl lnn lno lns lnt lnu lof lol lon loo los lot lou lsf lsl lsn lso lss lst lsu ltf ltl lto lts ltt ltu luf lul lun luo lus lut luu nff nfl nfn nfo nfs nft nfu nlf nll nln nlo nls nlt nlu nnf nnl nnn nno nns nnt nnu no- nof nol non noo nos not nou nsf nsl nsn nso nss nst nsu ntf ntn nto nts ntt ntu nul nun nuo nus nut nuu of- off ofl ofn ofo ofs oft ofu olf oll oln olo ols olt olu on- onf onl onn ono ons ont onu oo- oof ool oon ooo oos oot os- osf osl osn oso oss ost osu ot- otf otl otn oto ots ott otu ou- ouf oul oun ouo ous out sff sfl sfn sfo sfs sft sfu slf sll sln slo sls slt slu snf snl snn sno sns snt snu sof sol son soo sos sot sou ss- ssf ssl ssn sso sss sst ssu stf stl stn sto sts stt stu suf sul sun suo sus sut suu tff tfl tfn tfo tfs tft tfu tlf tll tln tlo tls tlt tlu tnf tnl tnn tno tns tnt to- tof tol ton too tos tot tou tsf tsl tsn tso tss tst tsu ttf ttl ttn tto tts ttt ttu tuf tul tun tuo tus tut tuu uff ufl ufn ufo ufs uft ufu ulf ull uln ulo uls ult ulu un- unf unl unn uno uns unt unu uol uon uoo uos uot usf usl usn uso uss ust usu utf utl utn uto uts utt utu uun uus uut uuu