fsf fsl fsn fso fsp fss fst fsu fta ftb ftc ftd fte ftf ftl ftn fto ftp fts ftt ftu fua fub fud fue fuf ful fun fuo fup fus fut fuu l-p la- laa lab lac lad lae laf lal lan lao lap las lat lau lba lbb lbc lbd lbe lbf lbl lbo lbp lbs lbt lbu lca lcb lcc lcd lce lcf lcl lcn lco lcp lcs lct lcu lda ldb ldc ldd lde ldf ldl ldn ldo ldp lds ldt ldu lea leb lec led lee lef lel len leo lep les let leu lfa lfb lfc lfd lfe lff lfl lfn lfo lfp lfs lft lfu lla llb llc lld lle llf lll lln llo llp lls llt llu lna lnb lnc lnd lne lnl lnn lno lnp lns lnt lnu loa lob loc lod loe lof lol lon loo lop los lot lou lpa lpb lpc lpd lpe lpf lpl lpn lpo lpp lps lpt lpu lsa lsb lsc lsd lse lsf lsl lsn lso lsp lss lst lsu lta ltb ltc ltd lte ltf ltl lto ltp lts ltt ltu lua lub luc lud lue luf lul lun luo lup lus lut luu naa nab nac nad nae naf nal nan nao nap nas nat nau nba nbb nbc nbd nbe nbf nbl nbn nbo nbp nbs nbt nbu nca ncb ncc ncd nce ncf ncl ncn nco ncp ncs nct ncu nda ndb ndc ndd nde ndf ndl ndn ndo ndp nds ndt ndu ne- nea neb nec ned nee nef nel nen neo nep nes net neu nfa nfb nfc nfd nfe nff nfl nfn nfo nfp nfs nft nfu nla nlb nlc nld nle nlf nll nln nlo nlp nls nlt nlu nna nnb nnc nne nnf nnl nnn nno nnp nns nnt nnu no- noa nob noc nod noe nof nol non noo nop nos not nou npa npb npc npd npe npf npl npn npo npp nps npt npu nsa nsb nsc nsd nse nsf nsl nsn nso nsp nss nst nsu nta ntb ntc ntd nte ntf ntn nto ntp nts ntt ntu nua nub nuc nud nue nul nun nuo nup nus nut nuu oaa oab oac oad oae oaf oal oan oao oap oas oat oau ob- oba obb obc obd obe obf obl obn obo obp obs obt obu oc- oca ocb occ ocd ocf ocl ocn oco ocp ocs oct ocu oda odb odc odd ode odf odl odn odo odp ods odt odu oea oeb oec oed oee oef oel oen oeo oep oes oet of- ofa ofb ofc ofd ofe off ofl ofn ofo ofp ofs oft ofu ola olb olc old ole olf oll oln olo olp ols olt olu on- ona onb onc ond one onf onl onn ono onp ons ont onu oo- ooa oob ooc ood oof ool oon ooo oop oos oot op- opa opb opc opd ope opf opl opn opo opp ops opt os- osa osb osc osd ose osf osl osn oso osp oss ost osu ot- ota otb otc otd ote otf otl otn oto otp ots ott otu ou- oua ouc oud oue ouf oul oun ouo oup ous out p-p paa pab pac pad pae paf pal pan pao pap pas pat pau pba pbb pbc pbd pbe pbf pbl pbn pbo pbp pbs pbt pbu pca pcb pcc pcd pce pcf pcl pcn pco pcp pcs pct pcu pda pdb pdc pdd pde pdf pdl pdn pdo pdp pds pdt pdu pea peb pec ped pee pef pel pen peo pep pes pet peu pfa pfb pfc pfd pfe pff pfl pfn pfo pfp pfs pft pfu pla plb plc pld ple plf pll pln plo plp pls plt plu pn- pna pnb pnc pnd pne pnf pnl pnn pno pnp pns pnt pnu poa pob poc pod poe pof pol pon poo pop pos pot pou ppa ppb ppc ppd ppe ppf ppl ppn ppo ppp pps ppt ppu ps- psa psb psc psd pse psf psl psn pso psp pss pst psu pt- pta ptb ptc ptd pte ptf ptl ptn pto ptp pts ptt ptu pua pub puc pud pue puf pul pun pup pus put puu saa sab sac sad sae saf sal san sao sap sas sat sau sba sbb sbc sbd sbe sbf sbl sbn sbo sbp sbs sbt sbu sca scb scc scd sce scf scl scn sco scp scs sct scu sda sdb sdc sdd sde sdf sdl sdn sdo sdp sds sdt sdu se- sea seb sec sed see sef sel sen seo sep ses set seu sfa sfb sfc sfd sfe sff sfl sfn sfo sfp sfs sft sfu sla slb slc sld sle slf sll sln slo slp sls slt slu sna snb snc snd sne snf snl snn sno snp sns snt snu soa sob soc sod soe sof sol son soo sop sos sot sou spa spb spc spd spe spf spl spn spo spp sps spt spu ss- ssa ssb ssc ssd sse ssf ssl ssn sso ssp sss sst ssu sta stb stc std ste stf stl stn sto stp sts stt stu sua sub suc sud sue suf sul sun suo sup sus sut suu taa tab tac tad tae taf tal tan tao tap tas tat tau tba tbb tbc tbd tbe tbf tbl tbn tbo tbp tbs tbt tbu tca tcb tcc tcd tce tcf tcl tcn tco tcp tcs tct tcu tda tdb tdc tdd tde tdf tdl tdn tdo tdp tds tdt tdu te- tea teb tec ted tee tef tel ten teo tep tes tet teu tfa tfb tfc tfd tfe tff tfl tfn tfo tfp tfs tft tfu tla tlc tld tle tlf tll tln tlo tlp tls tlt tlu tna tnb tnc tnd tne tnf tnl tnn tno tnp tns tnt to- toa tob toc tod toe tof tol ton too top tos tot tou