-er -up b-p b-u bbb bbe bbi bbl bbn bbp bbr bbs bbt bbu be- beb bee bei bel ben bep ber bes bet beu bi- bib bie bii bil bin bip bir bis bit biu blb ble bli bll bln blp blr bls blt blu bnb bne bni bnl bnn bnp bnr bns bnt bnu bpb bpe bpi bpl bpn bpp bpr bps bpt bpu brb bre bri brl brn brp brr brs brt bru bsb bse bsi bsl bsn bsp bsr bss bst bsu btb bte bti btl btn btp btr bts btt btu bub bue bui bul bun bup bur bus but buu ebb ebe ebi ebl ebn ebp ebr ebs ebt ebu eeb eee eel een eep eer ees eet eib eie eii eil ein eip eir eis eit eiu elb ele eli ell eln elp elr els elt elu en- enb ene eni enl enn enp enr ens ent enu ep- epb epe epi epl epn epp epr eps ept epu erb ere eri erl ern erp err ers ert eru es- esb ese esi esl esn esp esr ess est esu etb ete eti etl etn etp etr ets ett etu eu- eub eue eui eul eun eup eur eus eut ibb ibe ibi ibl ibn ibp ibr ibs ibt ibu ie- iee iei iel ien iep ier ies iet iib iie iii iil iin iip iir iis iit iiu il- ilb ile ili ill iln ilp ilr ils ilt ilu in- inb ine ini inl inn inp inr ins int inu ipb ipe ipi ipl ipn ipp ipr ips ipt ipu ir- irb ire iri irl irn irp irr irs irt iru is- isb ise isi isl isn isp isr iss ist isu itb ite iti itl itn itp its itt itu iu- iub iue iui iup iur ius iut l-p lbb lbe lbi lbl lbp lbr lbs lbt lbu leb lee lei lel len lep ler les let leu lib lie lii lil lin lip lir lis lit liu llb lle lli lll lln llp llr lls llt llu lnb lne lni lnl lnn lnp lnr lns lnt lnu lpb lpe lpi lpl lpn lpp lpr lps lpt lpu lrb lri lrn lrp lrr lrs lrt lru lsb lse lsi lsl lsn lsp lsr lss lst lsu ltb lte lti ltl ltp ltr lts ltt ltu lub lue lui lul lun lup lur lus lut luu n-i nbb nbe nbi nbl nbn nbp nbr nbs nbt nbu ne- neb nee nei nel nen nep ner nes net neu nib nie nii nil nin nip nir nis nit niu nlb nle nli nll nln nlp nlr nls nlt nlu nnb nne nni nnl nnn nnp nns nnt nnu npb npe npi npl npn npp npr nps npt npu nrb nre nri nrl nrn nrp nrr nrs nrt nru nsb nse nsi nsl nsn nsp nsr nss nst nsu ntb nte nti ntn ntp ntr nts ntt ntu nub nue nui nul nun nup nur nus nut nuu p-p pbb pbe pbi pbl pbn pbp pbr pbs pbt pbu peb pee pei pel pen pep per pes pet peu pib pie pii pil pin pip pir pis pit piu plb ple pli pll pln plp plr pls plt plu pn- pnb pne pni pnl pnn pnp pnr pns pnt pnu ppb ppe ppi ppl ppn ppp ppr pps ppt ppu prb pre pri prl prn prp prr prs prt pru ps- psb pse psi psl psn psp psr pss pst psu pt- ptb pte pti ptl ptn ptp ptr pts ptt ptu pub pue pui pul pun pup pur pus put puu rbb rbe rbi rbl rbn rbp rbr rbs rbt rbu re- reb ree rei rel ren rep rer res ret reu rib rie rii ril rin rip rir ris rit rle rli rll rln rlp rlr rls rlt rlu rnb rni rnn rnp rnr rns rnt rnu rpb rpe rpi rpl rpn rpp rpr rps rpt rpu rrb rri rrl rrn rrp rrr rrs rrt rru rsb rse rsi rsl rsn rsp rsr rss rst rsu rtb rte rti rtl rtn rtp rtr rts rtt rtu rub rue rui run rup rur rus rut ruu sbb sbe sbi sbl sbn sbp sbr sbs sbt sbu se- seb see sei sel sen sep ser ses set seu sib sie sii sil sin sip sir sis sit siu slb sle sli sll sln slp slr sls slt slu snb sne sni snl snn snp snr sns snt snu spb spe spi spl spn spp spr sps spt spu sr- srb sre sri srl srn srp srr srs srt ss- ssb sse ssi ssl ssn ssp ssr sss sst ssu stb ste sti stl stn stp str sts stt stu sub sue sui sul sun sup sur sus sut suu tbb tbe tbi tbl tbn tbp tbr tbs tbt tbu te- teb tee tei tel ten tep ter tes tet teu tib tie tii til tin tip tir tis tit tiu tle tli tll tln tlp tlr tls tlt tlu tnb tne tni tnl tnn tnp tnr tns tnt tpb tpe tpi tpl tpn tpp tpr tps tpt tpu trb tre tri trl trn trp trr trs trt tru tsb tse tsi tsl tsn tsp tsr tss tst tsu ttb tte tti ttl ttn ttp ttr tts ttt ttu tub tue tui tul tun tup tur tus tut tuu ubb ube ubi ubl ubn ubp ubr ubs ubt ubu ueb uee uei uel uen uep uer ues uet uib uie uii uil uin uip uir uis uit uiu ulb ule uli ull uln ulp ulr uls ult ulu un- unb une uni unl unn unp unr uns unt unu up- upb upe upi upn upp upr ups upt upu ur- urb ure uri url urn urp urr urs urt uru usb use usi usl usn usp usr uss ust usu utb ute uti utl utn utp utr uts utt utu uue uun uur uus uut