-er -up a-a a-b a-z aaa aab aae aag aap aar aas aau aaz ab- aba abb abe abg abp abr abs abu abz aea aeb aee aeg aep aer aes aeu aez ag- aga agb age agg agp agr ags agu agz ap- apa apb ape apg app apr aps apu ar- ara arb are arg arp arr ars aru arz as- asa asb ase asg asp asr ass asu asz au- aua aub aue aug aup aur aus auz az- aza azb aze azg azp azs azu azz b-p b-u baa bab bae bag bap bar bas bau baz bba bbb bbe bbg bbp bbr bbs bbu be- bea beb bee beg bep ber bes beu bez bga bgb bge bgg bgp bgr bgs bgu bgz bpa bpb bpe bpg bpp bpr bps bpu bra brb bre brg brp brr brs bru brz bsa bsb bse bsg bsp bsr bss bsu bua bub bue bug bup bur bus buu buz bza bze bzp bzr bzs bzu bzz eaa eab eae eag eap ear eas eau eaz eba ebb ebe ebg ebp ebr ebs ebu eea eeb eee eeg eep eer ees ega egb ege egg egp egr egs egu ep- epa epb epe epg epp epr eps epu epz era erb ere erg erp err ers eru erz es- esa esb ese esg esp esr ess esu eu- eua eub eue eug eup eur eus eze ezr ezs ezz g-p gaa gab gae gag gap gar gas gau gaz gba gbe gbg gbp gbr gbs gbu gbz ge- gea geb gee geg gep ger ges geu gez gga ggb ggg ggp ggr ggs ggu ggz gpa gpb gpe gpg gpp gpr gps gpu gpz gra grb gre grg grp grr grs gru gsa gsb gse gsg gsp gsr gss gsu gu- gua gub gue gug gup gur gus guu guz gza gzp gzr gzu p-p paa pab pae pag pap par pas pau paz pba pbb pbe pbg pbp pbr pbs pbu pbz pea peb pee peg pep per pes peu pez pga pgb pge pgg pgp pgr pgs ppa ppb ppe ppg ppp ppr pps ppu ppz pra prb pre prg prp prr prs pru prz ps- psa psb pse psg psp psr pss psu pua pub pue pug pup pur pus puu puz pzp ra- raa rab rae rag rap rar ras rau raz rba rbb rbe rbg rbp rbr rbs rbu re- rea reb ree reg rep rer res reu rez rga rgb rge rgg rgp rgr rgs rpa rpb rpe rpg rpp rpr rps rpu rpz rra rrb rrg rrp rrr rrs rru rsa rsb rse rsg rsp rsr rss rsu rua rub rue rug rup rur rus ruu ruz rza rzb rze saa sab sae sag sap sar sas sau saz sba sbb sbe sbg sbp sbr sbs sbu se- sea seb see seg sep ser ses seu sez sga sgb sge sgg sgp sgr sgs sgu spa spb spe spg spp spr sps spu spz sr- sra srb sre srg srp srr srs ss- ssa ssb sse ssg ssp ssr sss ssu ssz sua sub sue sug sup sur sus suu suz sza sze szp szr szu ua- uaa uab uae uag uap uar uas uau uaz uba ubb ube ubg ubp ubr ubs ubu uea ueb uee ueg uep uer ues uga ugb uge ugg ugp ugr ugs ugu up- upa upb upe upg upp upr ups upu upz ur- ura urb ure urg urp urr urs uru urz usa usb use usg usp usr uss usu usz uua uue uug uur uus uuu uza uzb uzu z-g zaa zab zag zap zar zas zaz zbb zbr zbs zea zeb zee zep zer zes zez zgb zgg zgs zpe zpg zpp zpr zpu zrp zrs zsa zse zsg zsu zsz zub zug zur zus zuz zzr zzs zzz