-al -er a-a a-b aaa aab aae aag aah aal aar aas ab- aba abb abe abg abh abl abr abs aea aeb aee aeg aeh ael aer aes ag- aga agb age agg agh agl agr ags aha ahb ahe ahg ahh ahl ahr ahs al- ala alb ale alg alh all alr als ar- ara arb are arg arh arl arr ars as- asa asb ase asg ash asl asr ass baa bab bae bag bah bal bar bas bba bbb bbe bbg bbh bbl bbr bbs be- bea beb bee beg beh bel ber bes bga bgb bge bgg bgh bgl bgr bgs bha bhb bhe bhg bhh bhl bhr bhs bla blb ble blg blh bll blr bls bra brb bre brg brh brl brr brs bsa bsb bse bsg bsh bsl bsr bss eaa eab eae eag eah eal ear eas eba ebb ebe ebg ebh ebl ebr ebs eea eeb eee eeg eel eer ees ega egb ege egg egh egl egr egs eha ehb ehe ehg ehh ehl ehr ehs ela elb ele elg elh ell elr els era erb ere erg erh erl err ers es- esa esb ese esg esh esl esr ess gaa gab gae gag gah gal gar gas gba gbe gbg gbh gbl gbr gbs ge- gea geb gee geg geh gel ger ges gga ggb ggg ggh ggr ggs gha ghb ghe ghg ghh ghl ghr ghs gla glb gle glg glh gll glr gls gra grb gre grg grh grl grr grs gsa gsb gse gsg gsl gsr gss haa hab hae hag hah hal har has hba hbb hbe hbg hbh hbl hbr hbs he- hea heb hee heg heh hel her hes hga hgb hge hgg hgh hgl hgr hgs hha hhb hhe hhg hhh hhl hhr hhs hla hlb hle hlg hlh hll hlr hls hr- hra hrb hre hrg hrh hrl hrr hrs hsa hsb hse hsg hsh hsl hsr hss la- laa lab lae lag lah lal lar las lba lbb lbe lbg lbh lbl lbr lbs lea leb lee leg leh lel ler les lga lgb lge lgg lgh lgl lgr lgs lha lhb lhh lhr lhs lla llb lle llg lll llr lls lra lrb lrg lrh lrr lrs lsa lsb lse lsg lsh lsl lsr lss ra- raa rab rae rag rah ral rar ras rba rbb rbe rbg rbh rbl rbr rbs re- rea reb ree reg reh rel rer res rga rgb rge rgg rgh rgr rgs rh- rha rhb rhe rhg rhh rhl rhr rhs rla rle rlg rlh rll rlr rls rra rrb rrg rrh rrl rrr rrs rsa rsb rse rsg rsh rsl rsr rss saa sab sae sag sah sal sar sas sba sbb sbe sbg sbh sbl sbr sbs se- sea seb see seg seh sel ser ses sga sgb sge sgg sgh sgl sgr sgs sh- sha shb she shg shh shl shr shs sla slb sle slg slh sll slr sls sr- sra srb sre srg srh srl srr srs ss- ssa ssb sse ssg ssh ssl ssr sss