-er -up a-a a-b aaa aab aae aag aao aap aar aas aau ab- aba abb abe abg abo abp abr abs abu aea aeb aee aeg aeo aep aer aes aeu ag- aga agb age agg ago agp agr ags agu aoa aob aoe aog aoo aop aor aos aou ap- apa apb ape apg apo app apr aps apu ar- ara arb are arg aro arp arr ars aru as- asa asb ase asg aso asp asr ass asu au- aua aub aue aug auo aup aur aus b-p b-u baa bab bae bag bao bap bar bas bau bba bbb bbe bbg bbo bbp bbr bbs bbu be- bea beb bee beg beo bep ber bes beu bga bgb bge bgg bgo bgp bgr bgs bgu boa bob boe bog boo bop bor bos bou bpa bpb bpe bpg bpo bpp bpr bps bpu bra brb bre brg bro brp brr brs bru bsa bsb bse bsg bso bsp bsr bss bsu bua bub bue bug buo bup bur bus buu eaa eab eae eag eao eap ear eas eau eba ebb ebe ebg ebo ebp ebr ebs ebu eea eeb eee eeg eeo eep eer ees ega egb ege egg ego egp egr egs egu eo- eoa eob eoe eog eoo eop eor eos eou ep- epa epb epe epg epo epp epr eps epu era erb ere erg ero erp err ers eru es- esa esb ese esg eso esp esr ess esu eu- eua eub eue eug eup eur eus g-p gaa gab gae gag gao gap gar gas gau gba gbe gbg gbo gbp gbr gbs gbu ge- gea geb gee geg geo gep ger ges geu gga ggb ggg ggo ggp ggr ggs ggu goa gob goe gog goo gop gor gos gou gpa gpb gpe gpg gpo gpp gpr gps gpu gra grb gre grg gro grp grr grs gru gsa gsb gse gsg gso gsp gsr gss gsu gu- gua gub gue gug guo gup gur gus guu oaa oab oae oag oao oap oar oas oau ob- oba obb obe obg obo obp obr obs obu oea oeb oee oeg oeo oep oer oes oga oge ogg ogo ogp ogs oo- ooa oob oog ooo oop oor oos op- opa opb ope opg opo opp opr ops or- ora orb ore org oro orp orr ors oru os- osa osb ose osg oso osp osr oss osu ou- oua oue ouo oup our ous p-p paa pab pae pag pao pap par pas pau pba pbb pbe pbg pbo pbp pbr pbs pbu pea peb pee peg peo pep per pes peu pga pgb pge pgg pgo pgp pgr pgs poa pob poe pog poo pop por pos pou ppa ppb ppe ppg ppo ppp ppr pps ppu pra prb pre prg pro prp prr prs pru ps- psa psb pse psg pso psp psr pss psu pua pub pue pug pup pur pus puu ra- raa rab rae rag rao rap rar ras rau rba rbb rbe rbg rbo rbp rbr rbs rbu re- rea reb ree reg reo rep rer res reu rga rgb rge rgg rgo rgp rgr rgs roa rob roe rog roo rop ror ros rou rpa rpb rpe rpg rpo rpp rpr rps rpu rra rrb rrg rrp rrr rrs rru rsa rsb rse rsg rso rsp rsr rss rsu rua rub rue rug ruo rup rur rus ruu saa sab sae sag sao sap sar sas sau sba sbb sbe sbg sbo sbp sbr sbs sbu se- sea seb see seg seo sep ser ses seu sga sgb sge sgg sgo sgp sgr sgs sgu soa sob soe sog soo sop sor sos sou spa spb spe spg spo spp spr sps spu sr- sra srb sre srg sro srp srr srs ss- ssa ssb sse ssg sso ssp ssr sss ssu sua sub sue sug suo sup sur sus suu ua- uaa uab uae uag uao uap uar uas uau uba ubb ube ubg ubo ubp ubr ubs ubu uea ueb uee ueg uep uer ues uga ugb uge ugg ugo ugp ugr ugs ugu uoa uob uoe uog uoo uop uor uos up- upa upb upe upg upo upp upr ups upu ur- ura urb ure urg uro urp urr urs uru usa usb use usg uso usp usr uss usu uua uue uug uur uus uuu