-er -up a-a a-b aaa aab aad aae aag aao aap aar aas aau ab- aba abb abd abe abg abo abp abr abs abu ad- ada adb add ade adg ado adp adr ads adu aea aeb aed aee aeg aeo aep aer aes aeu ag- aga agb agd age agg ago agp agr ags agu aoa aob aod aoe aog aoo aop aor aos aou ap- apa apb apd ape apg apo app apr aps apu ar- ara arb ard are arg aro arp arr ars aru as- asa asb asd ase asg aso asp asr ass asu au- aua aub aud aue aug auo aup aur aus b-p b-u baa bab bad bae bag bao bap bar bas bau bba bbb bbd bbe bbg bbo bbp bbr bbs bbu bda bdb bdd bde bdg bdo bdp bdr bds bdu be- bea beb bed bee beg beo bep ber bes beu bga bgb bgd bge bgg bgo bgp bgr bgs bgu boa bob bod boe bog boo bop bor bos bou bpa bpb bpd bpe bpg bpo bpp bpr bps bpu bra brb brd bre brg bro brp brr brs bru bsa bsb bsd bse bsg bso bsp bsr bss bsu bua bub bud bue bug buo bup bur bus buu daa dab dad dae dag dao dap dar das dau dba dbb dbd dbe dbg dbo dbp dbr dbs dbu dda ddb ddd dde ddg ddo ddp ddr dds ddu de- dea deb ded dee deg deo dep der des deu dga dgd dge dgg dgp dgr dgs dgu doa dob dod doe dog doo dop dor dos dou dpa dpb dpd dpe dpg dpo dpp dpr dps dpu dra drb drd dre drg dro drp drr drs dru dsa dsb dsd dse dsg dso dsp dsr dss dsu dua dub dud due dug duo dup dur dus eaa eab ead eae eag eao eap ear eas eau eba ebb ebd ebe ebg ebo ebp ebr ebs ebu ed- eda edb edd ede edg edo edp edr eds edu eea eeb eed eee eeg eeo eep eer ees ega egb egd ege egg ego egp egr egs egu eo- eoa eob eod eoe eog eoo eop eor eos eou ep- epa epb epd epe epg epo epp epr eps epu era erb erd ere erg ero erp err ers eru es- esa esb esd ese esg eso esp esr ess esu eu- eua eub eud eue eug eup eur eus g-d g-p gaa gab gad gae gag gao gap gar gas gau gba gbd gbe gbg gbo gbp gbr gbs gbu gda gdb gdd gde gdo gdp gdr gds gdu ge- gea geb ged gee geg geo gep ger ges geu gga ggb ggd ggg ggo ggp ggr ggs ggu goa gob god goe gog goo gop gor gos gou gpa gpb gpd gpe gpg gpo gpp gpr gps gpu gra grb grd gre grg gro grp grr grs gru gsa gsb gsd gse gsg gso gsp gsr gss gsu gu- gua gub gud gue gug guo gup gur gus guu oaa oab oad oae oag oao oap oar oas oau ob- oba obb obd obe obg obo obp obr obs obu oda odb odd ode odg odo odp odr ods odu oea oeb oed oee oeg oeo oep oer oes oga ogd oge ogg ogo ogp ogs oo- ooa oob ood oog ooo oop oor oos op- opa opb opd ope opg opo opp opr ops or- ora orb ord ore org oro orp orr ors oru os- osa osb osd ose osg oso osp osr oss osu ou- oua oud oue ouo oup our ous p-p paa pab pad pae pag pao pap par pas pau pba pbb pbd pbe pbg pbo pbp pbr pbs pbu pda pdb pdd pde pdg pdo pdp pdr pds pdu pea peb ped pee peg peo pep per pes peu pga pgb pgd pge pgg pgo pgp pgr pgs poa pob pod poe pog poo pop por pos pou ppa ppb ppd ppe ppg ppo ppp ppr pps ppu pra prb prd pre prg pro prp prr prs pru ps- psa psb psd pse psg pso psp psr pss psu pua pub pud pue pug pup pur pus puu ra- raa rab rad rae rag rao rap rar ras rau rba rbb rbd rbe rbg rbo rbp rbr rbs rbu rda rdb rdd rde rdg rdo rdp rdr rds rdu re- rea reb red ree reg reo rep rer res reu rga rgb rgd rge rgg rgo rgp rgr rgs roa rob rod roe rog roo rop ror ros rou rpa rpb rpd rpe rpg rpo rpp rpr rps rpu rra rrb rrd rrg rrp rrr rrs rru rsa rsb rsd rse rsg rso rsp rsr rss rsu rua rub rud rue rug ruo rup rur rus ruu saa sab sad sae sag sao sap sar sas sau sba sbb sbd sbe sbg sbo sbp sbr sbs sbu sda sdb sdd sde sdg sdo sdp sdr sds sdu se- sea seb sed see seg seo sep ser ses seu sga sgb sgd sge sgg sgo sgp sgr sgs sgu soa sob sod soe sog soo sop sor sos sou spa spb spd spe spg spo spp spr sps spu sr- sra srb srd sre srg sro srp srr srs ss- ssa ssb ssd sse ssg sso ssp ssr sss ssu sua sub sud sue sug suo sup sur sus suu ua- uaa uab uad uae uag uao uap uar uas uau uba ubb ube ubg ubo ubp ubr ubs ubu uda udb udd ude udg udo udp udr uds udu uea ueb ued uee ueg uep uer ues uga ugb uge ugg ugo ugp ugr ugs ugu uoa uob uod uoe uog uoo uop uor uos up- upa upb upd upe upg upo upp upr ups upu ur- ura urb urd ure urg uro urp urr urs uru usa usb usd use usg uso usp usr uss usu uua