-ol -up fff ffl ffn ffo ffp ffr ffs fft ffu flf fll fln flo flp flr fls flt flu fnf fnl fnn fnp fnr fns fnt fnu fof fol fon foo fop for fos fot fou fpl fpn fpo fpp fpr fps fpt fpu frf frl frn fro frp frr frs frt fru fsf fsl fsn fso fsp fsr fss fst fsu ftf ftl ftn fto ftp ftr fts ftt ftu fuf ful fun fuo fup fur fus fut fuu l-p lff lfl lfn lfo lfp lfr lfs lft lfu llf lll lln llo llp llr lls llt llu lnl lnn lno lnp lnr lns lnt lnu lof lol lon loo lop lor los lot lou lpf lpl lpn lpo lpp lpr lps lpt lpu lrf lrn lro lrp lrr lrs lrt lru lsf lsl lsn lso lsp lsr lss lst lsu ltf ltl lto ltp ltr lts ltt ltu luf lul lun luo lup lur lus lut luu nff nfl nfn nfo nfp nfr nfs nft nfu nlf nll nln nlo nlp nlr nls nlt nlu nnf nnl nnn nno nnp nns nnt nnu no- nof nol non noo nop nor nos not nou npf npl npn npo npp npr nps npt npu nrf nrl nrn nro nrp nrr nrs nrt nru nsf nsl nsn nso nsp nsr nss nst nsu ntf ntn nto ntp ntr nts ntt ntu nul nun nuo nup nur nus nut nuu of- off ofl ofn ofo ofp ofr ofs oft ofu olf oll oln olo olp ols olt olu on- onf onl onn ono onp onr ons ont onu oo- oof ool oon ooo oop oor oos oot op- opf opl opn opo opp opr ops opt or- orf orl orn oro orp orr ors ort oru os- osf osl osn oso osp osr oss ost osu ot- otf otl otn oto otp otr ots ott otu ou- ouf oul oun ouo oup our ous out p-p pff pfl pfn pfo pfp pfr pfs pft pfu plf pll pln plo plp plr pls plt plu pn- pnf pnl pnn pno pnp pnr pns pnt pnu pof pol pon poo pop por pos pot pou ppf ppl ppn ppo ppp ppr pps ppt ppu prf prl prn pro prp prr prs prt pru ps- psf psl psn pso psp psr pss pst psu pt- ptf ptl ptn pto ptp ptr pts ptt ptu puf pul pun pup pur pus put puu rff rfl rfn rfo rfp rfr rfs rft rfu rlf rll rln rlo rlp rlr rls rlt rlu rnn rno rnp rnr rns rnt rnu rof rol ron roo rop ror ros rot rou rpf rpl rpn rpo rpp rpr rps rpt rpu rrf rrl rrn rrp rrr rrs rrt rru rsf rsl rsn rso rsp rsr rss rst rsu rtf rtl rtn rto rtp rtr rts rtt rtu ruf run ruo rup rur rus rut ruu sff sfl sfn sfo sfp sfr sfs sft sfu slf sll sln slo slp slr sls slt slu snf snl snn sno snp snr sns snt snu sof sol son soo sop sor sos sot sou spf spl spn spo spp spr sps spt spu sr- srf srl srn sro srp srr srs srt ss- ssf ssl ssn sso ssp ssr sss sst ssu stf stl stn sto stp str sts stt stu suf sul sun suo sup sur sus sut suu tff tfl tfn tfo tfp tfr tfs tft tfu tlf tll tln tlo tlp tlr tls tlt tlu tnf tnl tnn tno tnp tnr tns tnt to- tof tol ton too top tor tos tot tou tpf tpl tpn tpo tpp tpr tps tpt tpu trf trl trn tro trp trr trs trt tru tsf tsl tsn tso tsp tsr tss tst tsu ttf ttl ttn tto ttp ttr tts ttt ttu tuf tul tun tuo tup tur tus tut tuu uff ufl ufn ufo ufp ufr ufs uft ufu ulf ull uln ulo ulp ulr uls ult ulu un- unf unl unn uno unp unr uns unt unu uol uon uoo uop uor uos uot up- upf upn upo upp upr ups upt upu ur- urf url urn uro urp urr urs urt uru usf usl usn uso usp usr uss ust usu utf utl utn uto utp utr uts utt utu uun uur uus uut uuu