-al -er a-a a-b aaa aab aae aag aal aap aar aas ab- aba abb abe abg abl abp abr abs aea aeb aee aeg ael aep aer aes ag- aga agb age agg agl agp agr ags al- ala alb ale alg all alp alr als ap- apa apb ape apg apl app apr aps ar- ara arb are arg arl arp arr ars as- asa asb ase asg asl asp asr ass b-p baa bab bae bag bal bap bar bas bba bbb bbe bbg bbl bbp bbr bbs be- bea beb bee beg bel bep ber bes bga bgb bge bgg bgl bgp bgr bgs bla blb ble blg bll blp blr bls bpa bpb bpe bpg bpl bpp bpr bps bra brb bre brg brl brp brr brs bsa bsb bse bsg bsl bsp bsr bss eaa eab eae eag eal eap ear eas eba ebb ebe ebg ebl ebp ebr ebs eea eeb eee eeg eel eep eer ees ega egb ege egg egl egp egr egs ela elb ele elg ell elp elr els ep- epa epb epe epg epl epp epr eps era erb ere erg erl erp err ers es- esa esb ese esg esl esp esr ess g-p gaa gab gae gag gal gap gar gas gba gbe gbg gbl gbp gbr gbs ge- gea geb gee geg gel gep ger ges gga ggb ggg ggp ggr ggs gla glb gle glg gll glp glr gls gpa gpb gpe gpg gpl gpp gpr gps gra grb gre grg grl grp grr grs gsa gsb gse gsg gsl gsp gsr gss l-p la- laa lab lae lag lal lap lar las lba lbb lbe lbg lbl lbp lbr lbs lea leb lee leg lel lep ler les lga lgb lge lgg lgl lgp lgr lgs lla llb lle llg lll llp llr lls lpa lpb lpe lpg lpl lpp lpr lps lra lrb lrg lrp lrr lrs lsa lsb lse lsg lsl lsp lsr lss p-p paa pab pae pag pal pap par pas pba pbb pbe pbg pbl pbp pbr pbs pea peb pee peg pel pep per pes pga pgb pge pgg pgl pgp pgr pgs pla plb ple plg pll plp plr pls ppa ppb ppe ppg ppl ppp ppr pps pra prb pre prg prl prp prr prs ps- psa psb pse psg psl psp psr pss ra- raa rab rae rag ral rap rar ras rba rbb rbe rbg rbl rbp rbr rbs re- rea reb ree reg rel rep rer res rga rgb rge rgg rgp rgr rgs rla rle rlg rll rlp rlr rls rpa rpb rpe rpg rpl rpp rpr rps rra rrb rrg rrl rrp rrr rrs rsa rsb rse rsg rsl rsp rsr rss saa sab sae sag sal sap sar sas sba sbb sbe sbg sbl sbp sbr sbs se- sea seb see seg sel sep ser ses sga sgb sge sgg sgl sgp sgr sgs sla slb sle slg sll slp slr sls spa spb spe spg spl spp spr sps sr- sra srb sre srg srl srp srr srs ss- ssa ssb sse ssg ssl ssp ssr sss