-er -up eee eel een eep eer ees eet eie eii eil ein eip eir eis eit eiu ele eli ell eln elp elr els elt elu en- ene eni enl enn enp enr ens ent enu ep- epe epi epl epn epp epr eps ept epu ere eri erl ern erp err ers ert eru es- ese esi esl esn esp esr ess est esu ete eti etl etn etp etr ets ett etu eu- eue eui eul eun eup eur eus eut ie- iee iei iel ien iep ier ies iet iie iii iil iin iip iir iis iit iiu il- ile ili ill iln ilp ilr ils ilt ilu in- ine ini inl inn inp inr ins int inu ipe ipi ipl ipn ipp ipr ips ipt ipu ir- ire iri irl irn irp irr irs irt iru is- ise isi isl isn isp isr iss ist isu ite iti itl itn itp its itt itu iu- iue iui iup iur ius iut l-p lee lei lel len lep ler les let leu lie lii lil lin lip lir lis lit liu lle lli lll lln llp llr lls llt llu lne lni lnl lnn lnp lnr lns lnt lnu lpe lpi lpl lpn lpp lpr lps lpt lpu lri lrn lrp lrr lrs lrt lru lse lsi lsl lsn lsp lsr lss lst lsu lte lti ltl ltp ltr lts ltt ltu lue lui lul lun lup lur lus lut luu n-i ne- nee nei nel nen nep ner nes net neu nie nii nil nin nip nir nis nit niu nle nli nll nln nlp nlr nls nlt nlu nne nni nnl nnn nnp nns nnt nnu npe npi npl npn npp npr nps npt npu nre nri nrl nrn nrp nrr nrs nrt nru nse nsi nsl nsn nsp nsr nss nst nsu nte nti ntn ntp ntr nts ntt ntu nue nui nul nun nup nur nus nut nuu p-p pee pei pel pen pep per pes pet peu pie pii pil pin pip pir pis pit piu ple pli pll pln plp plr pls plt plu pn- pne pni pnl pnn pnp pnr pns pnt pnu ppe ppi ppl ppn ppp ppr pps ppt ppu pre pri prl prn prp prr prs prt pru ps- pse psi psl psn psp psr pss pst psu pt- pte pti ptl ptn ptp ptr pts ptt ptu pue pui pul pun pup pur pus put puu re- ree rei rel ren rep rer res ret reu rie rii ril rin rip rir ris rit rle rli rll rln rlp rlr rls rlt rlu rni rnn rnp rnr rns rnt rnu rpe rpi rpl rpn rpp rpr rps rpt rpu rri rrl rrn rrp rrr rrs rrt rru rse rsi rsl rsn rsp rsr rss rst rsu rte rti rtl rtn rtp rtr rts rtt rtu rue rui run rup rur rus rut ruu se- see sei sel sen sep ser ses set seu sie sii sil sin sip sir sis sit siu sle sli sll sln slp slr sls slt slu sne sni snl snn snp snr sns snt snu spe spi spl spn spp spr sps spt spu sr- sre sri srl srn srp srr srs srt ss- sse ssi ssl ssn ssp ssr sss sst ssu ste sti stl stn stp str sts stt stu sue sui sul sun sup sur sus sut suu te- tee tei tel ten tep ter tes tet teu tie tii til tin tip tir tis tit tiu tle tli tll tln tlp tlr tls tlt tlu tne tni tnl tnn tnp tnr tns tnt tpe tpi tpl tpn tpp tpr tps tpt tpu tre tri trl trn trp trr trs trt tru tse tsi tsl tsn tsp tsr tss tst tsu tte tti ttl ttn ttp ttr tts ttt ttu tue tui tul tun tup tur tus tut tuu uee uei uel uen uep uer ues uet uie uii uil uin uip uir uis uit uiu ule uli ull uln ulp ulr uls ult ulu un- une uni unl unn unp unr uns unt unu up- upe upi upn upp upr ups upt upu ur- ure uri url urn urp urr urs urt uru use usi usl usn usp usr uss ust usu ute uti utl utn utp utr uts utt utu uue uun uur uus uut uuu