-up a-a a-b a-c aaa aab aac aad aae aan aao aap aas aau ab- aba abb abc abd abe abn abo abp abs abu ac- aca acb acc acd ace acn aco acp acs acu ad- ada adb adc add ade adn ado adp ads adu aea aeb aec aed aee aen aeo aep aes aeu an- ana anb anc and ane ann ano anp ans anu aoa aob aoc aod aoe aon aoo aop aos aou ap- apa apb apc apd ape apn apo app aps apu as- asa asb asc asd ase asn aso asp ass asu au- aua aub auc aud aue aun auo aup aus b-p b-u baa bab bac bad bae ban bao bap bas bau bba bbb bbc bbd bbe bbn bbo bbp bbs bbu bca bcb bcc bcd bce bcn bco bcp bcs bcu bda bdb bdc bdd bde bdo bdp bds bdu be- bea beb bec bed bee ben beo bep bes beu bna bnb bnc bnd bne bnn bno bnp bns bnu boa bob boc bod boe bon boo bop bos bou bpa bpb bpc bpd bpe bpn bpo bpp bps bpu bsa bsb bsc bsd bse bsn bso bsp bss bsu bua bub buc bud bue bun buo bup bus buu c-- caa cab cac cad cae can cao cap cas cau cba cbb cbc cbd cbe cbn cbo cbp cbs cbu cca ccb ccc ccd cce ccn cco ccp ccs ccu cda cdb cdc cdd cde cdn cdo cdp cds cdu ce- cea ceb cec ced cee cen ceo cep ces ceu cn- cna cnb cnc cnd cne cnn cno cnp cns cnu co- coa cob coc cod coe con coo cop cos cou cpa cpb cpc cpd cpe cpn cpo cpp cps cpu csa csb csc csd cse csn cso csp css csu cua cub cuc cud cue cun cuo cup cus cuu daa dab dac dad dae dan dao dap das dau dba dbb dbc dbd dbe dbn dbo dbp dbs dbu dca dcb dcc dcd dce dcn dco dcp dcs dcu dda ddb ddc ddd dde ddn ddo ddp dds ddu de- dea deb dec ded dee den deo dep des deu dna dnb dnc dnd dne dnn dno dnp dns doa dob doc dod doe don doo dop dos dou dpa dpb dpc dpd dpe dpn dpo dpp dps dpu dsa dsb dsc dsd dse dsn dso dsp dss dsu dua dub duc dud due dun duo dup dus eaa eab eac ead eae ean eao eap eas eau eba ebb ebc ebd ebe ebn ebo ebp ebs ebu ec- eca ecb ecc ecd ece ecn eco ecs ecu ed- eda edb edc edd ede edn edo edp eds edu eea eeb eec eed eee een eeo eep ees en- ena enb enc end ene enn eno enp ens enu eo- eoa eob eoc eod eoe eon eoo eop eos eou ep- epa epb epc epd epe epn epo epp eps epu es- esa esb esc esd ese esn eso esp ess esu eu- eua eub euc eud eue eun eup eus naa nab nac nad nae nan nao nap nas nau nba nbb nbc nbd nbe nbn nbo nbp nbs nbu nca ncb ncc ncd nce ncn nco ncp ncs ncu nda ndb ndc ndd nde ndn ndo ndp nds ndu ne- nea neb nec ned nee nen neo nep nes neu nna nnb nnc nne nnn nno nnp nns nnu no- noa nob noc nod noe non noo nop nos nou npa npb npc npd npe npn npo npp nps npu nsa nsb nsc nsd nse nsn nso nsp nss nsu nua nub nuc nud nue nun nuo nup nus nuu oaa oab oac oad oae oan oao oap oas oau ob- oba obb obc obd obe obn obo obp obs obu oc- oca ocb occ ocd ocn oco ocp ocs ocu oda odb odc odd ode odn odo odp ods odu oea oeb oec oed oee oen oeo oep oes on- ona onb onc ond one onn ono onp ons onu oo- ooa oob ooc ood oon ooo oop oos op- opa opb opc opd ope opn opo opp ops os- osa osb osc osd ose osn oso osp oss osu ou- oua ouc oud oue oun ouo oup ous p-p paa pab pac pad pae pan pao pap pas pau pba pbb pbc pbd pbe pbn pbo pbp pbs pbu pca pcb pcc pcd pce pcn pco pcp pcs pcu pda pdb pdc pdd pde pdn pdo pdp pds pdu pea peb pec ped pee pen peo pep pes peu pn- pna pnb pnc pnd pne pnn pno pnp pns pnu poa pob poc pod poe pon poo pop pos pou ppa ppb ppc ppd ppe ppn ppo ppp pps ppu ps- psa psb psc psd pse psn pso psp pss psu pua pub puc pud pue pun pup pus puu saa sab sac sad sae san sao sap sas sau sba sbb sbc sbd sbe sbn sbo sbp sbs sbu sca scb scc scd sce scn sco scp scs scu sda sdb sdc sdd sde sdn sdo sdp sds sdu se- sea seb sec sed see sen seo sep ses seu sna snb snc snd sne snn sno snp sns snu soa sob soc sod soe son soo sop sos sou spa spb spc spd spe spn spo spp sps spu ss- ssa ssb ssc ssd sse ssn sso ssp sss ssu sua sub suc sud sue sun suo sup sus suu ua- uaa uab uac uad uae uan uao uap uas uau uba ubb ubc ube ubn ubo ubp ubs ubu uca ucb ucc ucd uce ucn uco ucp ucs ucu uda udb udc udd ude udn udo udp uds udu uea ueb uec ued uee uen uep ues un- una unb unc und une unn uno unp uns unu uoa uob uoc uod uoe uon uoo uop uos up- upa upb upc upd upe upn upo upp