-er -up b-p b-u bbb bbc bbd bbe bbn bbo bbp bbr bbs bbu bcb bcc bcd bce bcn bco bcp bcr bcs bcu bcz bdb bdc bdd bde bdo bdp bdr bds bdu bdz be- beb bec bed bee ben beo bep ber bes beu bez bnb bnc bnd bne bnn bno bnp bnr bns bnu bnz bob boc bod boe bon boo bop bor bos bou boz bpb bpc bpd bpe bpn bpo bpp bpr bps bpu brb brd bre brn bro brp brr brs bru brz bsb bsc bsd bse bsn bso bsp bsr bss bsu bub buc bud bue bun buo bup bur bus buu buz bzd bze bzn bzo bzp bzr bzs bzu bzz c-- cbb cbc cbd cbe cbn cbo cbp cbr cbs cbu cbz ccb ccc ccd cce ccn cco ccp ccr ccs ccu ccz cdb cdc cdd cde cdn cdo cdp cdr cds cdu cdz ce- ceb cec ced cee cen ceo cep cer ces ceu cez cn- cnb cnc cnd cne cnn cno cnp cnr cns cnu co- cob coc cod coe con coo cop cor cos cou coz cpb cpc cpd cpe cpn cpo cpp cpr cps cpu cpz crb crc crd cre crn cro crp crr crs cru crz csb csc csd cse csn cso csp csr css csu csz cub cuc cud cue cun cuo cup cur cus cuu cuz cz- czc czd cze czo dbb dbc dbd dbe dbn dbo dbp dbr dbs dbu dbz dcb dcc dcd dce dcn dco dcp dcr dcs dcu ddb ddc ddd dde ddn ddo ddp ddr dds ddu ddz de- deb dec ded dee den deo dep der des deu dez dnb dnc dnd dne dnn dno dnp dnr dns dnz dob doc dod doe don doo dop dor dos dou doz dpb dpc dpd dpe dpn dpo dpp dpr dps dpu dpz drb drc drd dre drn dro drp drr drs dru drz dsb dsc dsd dse dsn dso dsp dsr dss dsu dsz dub duc dud due dun duo dup dur dus duz dzb dzd dze dzo dzp dzr dzs dzu ebb ebc ebd ebe ebn ebo ebp ebr ebs ebu ec- ecb ecc ecd ece ecn eco ecr ecs ecu ed- edb edc edd ede edn edo edp edr eds edu eeb eec eed eee een eeo eep eer ees en- enb enc end ene enn eno enp enr ens enu enz eo- eob eoc eod eoe eon eoo eop eor eos eou ep- epb epc epd epe epn epo epp epr eps epu epz erb erc erd ere ern ero erp err ers eru erz es- esb esc esd ese esn eso esp esr ess esu eu- eub euc eud eue eun eup eur eus eze ezo ezr ezs ezz nbb nbc nbd nbe nbn nbo nbp nbr nbs nbu ncb ncc ncd nce ncn nco ncp ncr ncs ncu ndb ndc ndd nde ndn ndo ndp ndr nds ndu ne- neb nec ned nee nen neo nep ner nes neu nez nnb nnc nne nnn nno nnp nns nnu nnz no- nob noc nod noe non noo nop nor nos nou noz npb npc npd npe npn npo npp npr nps npu npz nrb nrc nrd nre nrn nro nrp nrr nrs nru nrz nsb nsc nsd nse nsn nso nsp nsr nss nsu nsz nub nuc nud nue nun nuo nup nur nus nuu nzb nzd nze nzo nzp nzs nzz ob- obb obc obd obe obn obo obp obr obs obu oc- ocb occ ocd ocn oco ocp ocr ocs ocu ocz odb odc odd ode odn odo odp odr ods odu oeb oec oed oee oen oeo oep oer oes on- onb onc ond one onn ono onp onr ons onu oo- oob ooc ood oon ooo oop oor oos op- opb opc opd ope opn opo opp opr ops or- orb orc ord ore orn oro orp orr ors oru orz os- osb osc osd ose osn oso osp osr oss osu ou- ouc oud oue oun ouo oup our ous oze ozo ozs ozu ozz p-p pbb pbc pbd pbe pbn pbo pbp pbr pbs pbu pbz pcb pcc pcd pce pcn pco pcp pcr pcs pcu pdb pdc pdd pde pdn pdo pdp pdr pds pdu pdz peb pec ped pee pen peo pep per pes peu pez pn- pnb pnc pnd pne pnn pno pnp pnr pns pnu pob poc pod poe pon poo pop por pos pou poz ppb ppc ppd ppe ppn ppo ppp ppr pps ppu ppz prb prc prd pre prn pro prp prr prs pru prz ps- psb psc psd pse psn pso psp psr pss psu pub puc pud pue pun pup pur pus puu puz pzc pzp rbb rbc rbd rbe rbn rbo rbp rbr rbs rbu rcb rcc rcd rce rcn rco rcp rcr rcs rcu rdb rdc rdd rde rdn rdo rdp rdr rds rdu re- reb rec red ree ren reo rep rer res reu rez rnb rnc rnd rnn rno rnp rnr rns rnu rnz rob roc rod roe ron roo rop ror ros rou roz rpb rpc rpd rpe rpn rpo rpp rpr rps rpu rpz rrb rrc rrd rrn rrp rrr rrs rru rsb rsc rsd rse rsn rso rsp rsr rss rsu rub ruc rud rue run ruo rup rur rus ruu ruz rzb rze rzo sbb sbc sbd sbe sbn sbo sbp sbr sbs sbu scb scc scd sce scn sco scp scr scs scu sdb sdc sdd sde sdn sdo sdp sdr sds sdu sdz se- seb sec sed see sen seo sep ser ses seu sez snb snc snd sne snn sno snp snr sns snu sob soc sod soe son soo sop sor sos sou soz spb spc spd spe spn spo spp spr sps spu spz sr- srb src srd sre srn sro srp srr srs ss- ssb ssc ssd sse ssn sso ssp ssr sss ssu ssz sub