-al -er a-a a-b a-i a-t aaa aab aad aae aag aai aal aar aas aat ab- aba abb abd abe abg abi abl abr abs abt ad- ada adb add ade adg adi adl adr ads adt aea aeb aed aee aeg aei ael aer aes aet ag- aga agb agd age agg agi agl agr ags agt ai- aia aib aid aie aig aii ail air ais ait al- ala alb ald ale alg ali all alr als alt ar- ara arb ard are arg ari arl arr ars art as- asa asb asd ase asg asi asl asr ass ast at- ata atb atd ate atg ati atl atr ats att baa bab bad bae bag bai bal bar bas bat bba bbb bbd bbe bbg bbi bbl bbr bbs bbt bda bdb bdd bde bdg bdi bdl bdr bds bdt be- bea beb bed bee beg bei bel ber bes bet bga bgb bgd bge bgg bgi bgl bgr bgs bgt bi- bia bib bid bie big bii bil bir bis bit bla blb bld ble blg bli bll blr bls blt bra brb brd bre brg bri brl brr brs brt bsa bsb bsd bse bsg bsi bsl bsr bss bst bta btb btd bte btg bti btl btr bts btt daa dab dad dae dag dai dal dar das dat dba dbb dbd dbe dbg dbi dbl dbr dbs dbt dda ddb ddd dde ddg ddi ddl ddr dds ddt de- dea deb ded dee deg dei del der des det dga dgd dge dgg dgi dgl dgr dgs dgt di- dia dib did die dig dii dil dir dis dit dl- dla dlb dld dle dlg dli dll dlr dls dlt dra drb drd dre drg dri drl drr drs drt dsa dsb dsd dse dsg dsi dsl dsr dss dst dta dtb dtd dte dtg dti dtl dtr dts dtt eaa eab ead eae eag eai eal ear eas eat eba ebb ebd ebe ebg ebi ebl ebr ebs ebt ed- eda edb edd ede edg edi edl edr eds edt eea eeb eed eee eeg eel eer ees eet ega egb egd ege egg egi egl egr egs egt eia eib eid eie eig eii eil eir eis eit ela elb eld ele elg eli ell elr els elt era erb erd ere erg eri erl err ers ert es- esa esb esd ese esg esi esl esr ess est eta etb etd ete etg eti etl etr ets ett g-d gaa gab gad gae gag gai gal gar gas gat gba gbd gbe gbg gbi gbl gbr gbs gbt gda gdb gdd gde gdi gdl gdr gds gdt ge- gea geb ged gee geg gei gel ger ges get gga ggb ggd ggg ggi ggr ggs ggt gia gib gid gie gig gii gil gir gis git gla glb gld gle glg gli gll glr gls glt gra grb grd gre grg gri grl grr grs grt gsa gsb gsd gse gsg gsi gsl gsr gss gst gta gtb gtd gte gtg gti gtl gtr gts gtt i-d ia- iaa iab iad iae iag iai ial iar ias iat iba ibb ibd ibe ibg ibi ibl ibr ibs ibt ida idb idd ide idg idi idl idr ids idt ie- iea ied iee ieg iei iel ier ies iet iga igb igd ige igg igi igl igr igs igt iia iib iid iie iii iil iir iis iit il- ila ilb ild ile ilg ili ill ilr ils ilt ir- ira irb ird ire irg iri irl irr irs irt is- isa isb isd ise isg isi isl isr iss ist ita itb itd ite itg iti itl its itt la- laa lab lad lae lag lai lal lar las lat lba lbb lbd lbe lbg lbi lbl lbr lbs lbt lda ldb ldd lde ldg ldi ldl ldr lds ldt lea leb led lee leg lei lel ler les let lga lgb lgd lge lgg lgi lgl lgr lgs lgt lia lib lid lie lig lii lil lir lis lit lla llb lld lle llg lli lll llr lls llt lra lrb lrd lrg lri lrr lrs lrt lsa lsb lsd lse lsg lsi lsl lsr lss lst lta ltb ltd lte ltg lti ltl ltr lts ltt ra- raa rab rad rae rag rai ral rar ras rat rba rbb rbd rbe rbg rbi rbl rbr rbs rbt rda rdb rdd rde rdg rdi rdl rdr rds rdt re- rea reb red ree reg rei rel rer res ret rga rgb rgd rge rgg rgi rgr rgs rgt ria rib rid rie rig rii ril rir ris rit rla rld rle rlg rli rll rlr rls rlt rra rrb rrd rrg rri rrl rrr rrs rrt rsa rsb rsd rse rsg rsi rsl rsr rss rst rta rtb rtd rte rtg rti rtl rtr rts rtt saa sab sad sae sag sai sal sar sas sat sba sbb sbd sbe sbg sbi sbl sbr sbs sbt sda sdb sdd sde sdg sdi sdl sdr sds sdt se- sea seb sed see seg sei sel ser ses set sga sgb sgd sge sgg sgi sgl sgr sgs sgt sia sib sid sie sig sii sil sir sis sit sla slb sld sle slg sli sll slr sls slt sr- sra srb srd sre srg sri srl srr srs srt ss- ssa ssb ssd sse ssg ssi ssl ssr sss sst sta stb std ste stg sti stl str sts stt taa tab tad tae tag tai tal tar tas tat tba tbb tbd tbe tbg tbi tbl tbr tbs tbt tda tdb tdd tde tdg tdi tdl tdr tds tdt te- tea teb ted tee teg tei tel ter tes tet tga tgb tge tgg tgi tgl tgr tgs tgt tia tib tid tie tig tii til tir tis tit tla tld tle tlg tli tll tlr tls tlt tra trb trd tre trg tri trl trr trs trt