-er -up b-p b-u bbb bbe bbi bbl bbn bbp bbr bbs bbu be- beb bee bei bel ben bep ber bes beu bi- bib bie bii bil bin bip bir bis biu blb ble bli bll bln blp blr bls blu bnb bne bni bnl bnn bnp bnr bns bnu bpb bpe bpi bpl bpn bpp bpr bps bpu brb bre bri brl brn brp brr brs bru bsb bse bsi bsl bsn bsp bsr bss bsu bub bue bui bul bun bup bur bus buu ebb ebe ebi ebl ebn ebp ebr ebs ebu eeb eee eel een eep eer ees eib eie eii eil ein eip eir eis eiu elb ele eli ell eln elp elr els elu en- enb ene eni enl enn enp enr ens enu ep- epb epe epi epl epn epp epr eps epu erb ere eri erl ern erp err ers eru es- esb ese esi esl esn esp esr ess esu eu- eub eue eui eul eun eup eur eus ibb ibe ibi ibl ibn ibp ibr ibs ibu ie- iee iei iel ien iep ier ies iib iie iii iil iin iip iir iis iiu il- ilb ile ili ill iln ilp ilr ils ilu in- inb ine ini inl inn inp inr ins inu ipb ipe ipi ipl ipn ipp ipr ips ipu ir- irb ire iri irl irn irp irr irs iru is- isb ise isi isl isn isp isr iss isu iu- iub iue iui iup iur ius l-p lbb lbe lbi lbl lbp lbr lbs lbu leb lee lei lel len lep ler les leu lib lie lii lil lin lip lir lis liu llb lle lli lll lln llp llr lls llu lnb lne lni lnl lnn lnp lnr lns lnu lpb lpe lpi lpl lpn lpp lpr lps lpu lrb lri lrn lrp lrr lrs lru lsb lse lsi lsl lsn lsp lsr lss lsu lub lue lui lul lun lup lur lus luu n-i nbb nbe nbi nbl nbn nbp nbr nbs nbu ne- neb nee nei nel nen nep ner nes neu nib nie nii nil nin nip nir nis niu nlb nle nli nll nln nlp nlr nls nlu nnb nne nni nnl nnn nnp nns nnu npb npe npi npl npn npp npr nps npu nrb nre nri nrl nrn nrp nrr nrs nru nsb nse nsi nsl nsn nsp nsr nss nsu nub nue nui nul nun nup nur nus nuu p-p pbb pbe pbi pbl pbn pbp pbr pbs pbu peb pee pei pel pen pep per pes peu pib pie pii pil pin pip pir pis piu plb ple pli pll pln plp plr pls plu pn- pnb pne pni pnl pnn pnp pnr pns pnu ppb ppe ppi ppl ppn ppp ppr pps ppu prb pre pri prl prn prp prr prs pru ps- psb pse psi psl psn psp psr pss psu pub pue pui pul pun pup pur pus puu rbb rbe rbi rbl rbn rbp rbr rbs rbu re- reb ree rei rel ren rep rer res reu rib rie rii ril rin rip rir ris rle rli rll rln rlp rlr rls rlu rnb rni rnn rnp rnr rns rnu rpb rpe rpi rpl rpn rpp rpr rps rpu rrb rri rrl rrn rrp rrr rrs rru rsb rse rsi rsl rsn rsp rsr rss rsu rub rue rui run rup rur rus ruu sbb sbe sbi sbl sbn sbp sbr sbs sbu se- seb see sei sel sen sep ser ses seu sib sie sii sil sin sip sir sis siu slb sle sli sll sln slp slr sls slu snb sne sni snl snn snp snr sns snu spb spe spi spl spn spp spr sps spu sr- srb sre sri srl srn srp srr srs ss- ssb sse ssi ssl ssn ssp ssr sss ssu sub sue sui sul sun sup sur sus suu ubb ube ubi ubl ubn ubp ubr ubs ubu ueb uee uei uel uen uep uer ues uib uie uii uil uin uip uir uis uiu ulb ule uli ull uln ulp ulr uls ulu un- unb une uni unl unn unp unr uns unu up- upb upe upi upn upp upr ups upu ur- urb ure uri url urn urp urr urs uru usb use usi usl usn usp usr uss usu uue uun uur uus uuu