-up a-a a-b aaa aab aad aae aao aap aas aau ab- aba abb abd abe abo abp abs abu ad- ada adb add ade ado adp ads adu aea aeb aed aee aeo aep aes aeu aoa aob aod aoe aoo aop aos aou ap- apa apb apd ape apo app aps apu as- asa asb asd ase aso asp ass asu au- aua aub aud aue auo aup aus b-p b-u baa bab bad bae bao bap bas bau bba bbb bbd bbe bbo bbp bbs bbu bda bdb bdd bde bdo bdp bds bdu be- bea beb bed bee beo bep bes beu boa bob bod boe boo bop bos bou bpa bpb bpd bpe bpo bpp bps bpu bsa bsb bsd bse bso bsp bss bsu bua bub bud bue buo bup bus buu daa dab dad dae dao dap das dau dba dbb dbd dbe dbo dbp dbs dbu dda ddb ddd dde ddo ddp dds ddu de- dea deb ded dee deo dep des deu doa dob dod doe doo dop dos dou dpa dpb dpd dpe dpo dpp dps dpu dsa dsb dsd dse dso dsp dss dsu dua dub dud due duo dup dus eaa eab ead eae eao eap eas eau eba ebb ebd ebe ebo ebp ebs ebu ed- eda edb edd ede edo edp eds edu eea eeb eed eee eeo eep ees eo- eoa eob eod eoe eoo eop eos eou ep- epa epb epd epe epo epp eps epu es- esa esb esd ese eso esp ess esu eu- eua eub eud eue eup eus oaa oab oad oae oao oap oas oau ob- oba obb obd obe obo obp obs obu oda odb odd ode odo odp ods odu oea oeb oed oee oeo oep oes oo- ooa oob ood ooo oop oos op- opa opb opd ope opo opp ops os- osa osb osd ose oso osp oss osu ou- oua oud oue ouo oup ous p-p paa pab pad pae pao pap pas pau pba pbb pbd pbe pbo pbp pbs pbu pda pdb pdd pde pdo pdp pds pdu pea peb ped pee peo pep pes peu poa pob pod poe poo pop pos pou ppa ppb ppd ppe ppo ppp pps ppu ps- psa psb psd pse pso psp pss psu pua pub pud pue pup pus puu saa sab sad sae sao sap sas sau sba sbb sbd sbe sbo sbp sbs sbu sda sdb sdd sde sdo sdp sds sdu se- sea seb sed see seo sep ses seu soa sob sod soe soo sop sos sou spa spb spd spe spo spp sps spu ss- ssa ssb ssd sse sso ssp sss ssu sua sub sud sue suo sup sus suu ua- uaa uab uad uae uao uap uas uau uba ubb ube ubo ubp ubs ubu uda udb udd ude udo udp uds udu uea ueb ued uee uep ues uoa uob uod uoe uoo uop uos up- upa upb upd upe upo upp ups upu usa usb usd use uso usp uss usu uua uue uus uuu