-up b-p b-u bbb bbd bbe bbi bbn bbp bbs bbu bdb bdd bde bdi bdp bds bdu be- beb bed bee bei ben bep bes beu bi- bib bid bie bii bin bip bis biu bnb bnd bne bni bnn bnp bns bnu bpb bpd bpe bpi bpn bpp bps bpu bsb bsd bse bsi bsn bsp bss bsu bub bud bue bui bun bup bus buu dbb dbd dbe dbi dbn dbp dbs dbu ddb ddd dde ddi ddn ddp dds ddu de- deb ded dee dei den dep des deu di- dib did die dii din dip dis diu dnb dnd dne dni dnn dnp dns dpb dpd dpe dpi dpn dpp dps dpu dsb dsd dse dsi dsn dsp dss dsu dub dud due dui dun dup dus ebb ebd ebe ebi ebn ebp ebs ebu ed- edb edd ede edi edn edp eds edu eeb eed eee een eep ees eib eid eie eii ein eip eis eiu en- enb end ene eni enn enp ens enu ep- epb epd epe epi epn epp eps epu es- esb esd ese esi esn esp ess esu eu- eub eud eue eui eun eup eus i-d ibb ibd ibe ibi ibn ibp ibs ibu idb idd ide idi idn idp ids idu ie- ied iee iei ien iep ies iib iid iie iii iin iip iis iiu in- inb ind ine ini inn inp ins inu ipb ipd ipe ipi ipn ipp ips ipu is- isb isd ise isi isn isp iss isu iu- iub iud iue iui iup ius n-i nbb nbd nbe nbi nbn nbp nbs nbu ndb ndd nde ndi ndn ndp nds ndu ne- neb ned nee nei nen nep nes neu nib nid nie nii nin nip nis niu nnb nne nni nnn nnp nns nnu npb npd npe npi npn npp nps npu nsb nsd nse nsi nsn nsp nss nsu nub nud nue nui nun nup nus nuu p-p pbb pbd pbe pbi pbn pbp pbs pbu pdb pdd pde pdi pdn pdp pds pdu peb ped pee pei pen pep pes peu pib pid pie pii pin pip pis piu pn- pnb pnd pne pni pnn pnp pns pnu ppb ppd ppe ppi ppn ppp pps ppu ps- psb psd pse psi psn psp pss psu pub pud pue pui pun pup pus puu sbb sbd sbe sbi sbn sbp sbs sbu sdb sdd sde sdi sdn sdp sds sdu se- seb sed see sei sen sep ses seu sib sid sie sii sin sip sis siu snb snd sne sni snn snp sns snu spb spd spe spi spn spp sps spu ss- ssb ssd sse ssi ssn ssp sss ssu sub sud sue sui sun sup sus suu ubb ube ubi ubn ubp ubs ubu udb udd ude udi udn udp uds udu ueb ued uee uei uen uep ues uib uid uie uii uin uip uis uiu un- unb und une uni unn unp uns unu up- upb upd upe upi upn upp ups upu usb usd use usi usn usp uss usu uue uun uus uuu