-er -up eee eef eel eep eer ees eet ef- efe eff efi efl efp efr efs eft eie eif eii eil eip eir eis eit eiu ele elf eli ell elp elr els elt elu ep- epe epf epi epl epp epr eps ept epu ere erf eri erl erp err ers ert eru es- ese esf esi esl esp esr ess est esu ete etf eti etl etp etr ets ett etu eu- eue euf eui eul eup eur eus eut fee fef fei fel fep fer fes fet feu ffe fff ffi ffl ffp ffr ffs fft ffu fie fif fii fil fip fir fis fit fiu fle flf fli fll flp flr fls flt flu fpe fpi fpl fpp fpr fps fpt fpu fre frf fri frl frp frr frs frt fru fse fsf fsi fsl fsp fsr fss fst fsu fte ftf fti ftl ftp ftr fts ftt ftu fue fuf fui ful fup fur fus fut fuu i-f ie- iee ief iei iel iep ier ies iet ife iff ifi ifl ifp ifr ifs ift ifu iie iif iii iil iip iir iis iit iiu il- ile ilf ili ill ilp ilr ils ilt ilu ipe ipf ipi ipl ipp ipr ips ipt ipu ir- ire irf iri irl irp irr irs irt iru is- ise isf isi isl isp isr iss ist isu ite itf iti itl itp its itt itu iu- iue iui iup iur ius iut l-p lee lef lei lel lep ler les let leu lfe lff lfi lfl lfp lfr lfs lft lfu lie lif lii lil lip lir lis lit liu lle llf lli lll llp llr lls llt llu lpe lpf lpi lpl lpp lpr lps lpt lpu lrf lri lrp lrr lrs lrt lru lse lsf lsi lsl lsp lsr lss lst lsu lte ltf lti ltl ltp ltr lts ltt ltu lue luf lui lul lup lur lus lut luu p-p pee pef pei pel pep per pes pet peu pfe pff pfi pfl pfp pfr pfs pft pfu pie pif pii pil pip pir pis pit piu ple plf pli pll plp plr pls plt plu ppe ppf ppi ppl ppp ppr pps ppt ppu pre prf pri prl prp prr prs prt pru ps- pse psf psi psl psp psr pss pst psu pt- pte ptf pti ptl ptp ptr pts ptt ptu pue puf pui pul pup pur pus put puu re- ree ref rei rel rep rer res ret reu rfe rff rfi rfl rfp rfr rfs rft rfu rie rif rii ril rip rir ris rit rle rlf rli rll rlp rlr rls rlt rlu rpe rpf rpi rpl rpp rpr rps rpt rpu rrf rri rrl rrp rrr rrs rrt rru rse rsf rsi rsl rsp rsr rss rst rsu rte rtf rti rtl rtp rtr rts rtt rtu rue ruf rui rup rur rus rut ruu se- see sef sei sel sep ser ses set seu sfe sff sfi sfl sfp sfr sfs sft sfu sie sif sii sil sip sir sis sit siu sle slf sli sll slp slr sls slt slu spe spf spi spl spp spr sps spt spu sr- sre srf sri srl srp srr srs srt ss- sse ssf ssi ssl ssp ssr sss sst ssu ste stf sti stl stp str sts stt stu sue suf sui sul sup sur sus sut suu te- tee tef tei tel tep ter tes tet teu tfe tff tfi tfl tfp tfr tfs tft tfu tie tif tii til tip tir tis tit tiu tle tlf tli tll tlp tlr tls tlt tlu tpe tpf tpi tpl tpp tpr tps tpt tpu tre trf tri trl trp trr trs trt tru tse tsf tsi tsl tsp tsr tss tst tsu tte ttf tti ttl ttp ttr tts ttt ttu tue tuf tui tul tup tur tus tut tuu uee uef uei uel uep uer ues uet ufe uff ufi ufl ufp ufr ufs uft ufu uie uif uii uil uip uir uis uit uiu ule ulf uli ull ulp ulr uls ult ulu up- upe upf upi upp upr ups upt upu ur- ure urf uri url urp urr urs urt uru use usf usi usl usp usr uss ust usu ute utf uti utl utp utr uts utt utu uue uur uus uut uuu