-er a-a a-b a-i a-t aaa aab aad aae aaf aag aai aam aao aar aas aat ab- aba abb abd abe abf abg abi abm abo abr abs abt ad- ada adb add ade adf adg adi adm ado adr ads adt aea aeb aed aee aef aeg aei aem aeo aer aes aet af- afa afb afd afe aff afg afi afm afo afr afs aft ag- aga agb agd age agf agg agi agm ago agr ags agt ai- aia aib aid aie aif aig aii aim aio air ais ait ama amb amd ame amf amg ami amm amo amr ams amt aoa aob aod aoe aof aog aoi aom aoo aor aos aot ar- ara arb ard are arf arg ari arm aro arr ars art as- asa asb asd ase asf asg asi asm aso asr ass ast at- ata atb atd ate atf atg ati atm ato atr ats att baa bab bad bae baf bag bai bam bao bar bas bat bba bbb bbd bbe bbf bbg bbi bbm bbo bbr bbs bbt bda bdb bdd bde bdf bdg bdi bdm bdo bdr bds bdt be- bea beb bed bee bef beg bei bem beo ber bes bet bfa bfb bfd bfe bff bfg bfi bfm bfo bfr bfs bft bga bgb bgd bge bgf bgg bgi bgm bgo bgr bgs bgt bi- bia bib bid bie bif big bii bim bio bir bis bit bma bmb bmd bme bmf bmg bmi bmm bmo bmr bms bmt boa bob bod boe bof bog boi bom boo bor bos bot bra brb brd bre brf brg bri brm bro brr brs brt bsa bsb bsd bse bsf bsg bsi bsm bso bsr bss bst bta btb btd bte btf btg bti btm bto btr bts btt daa dab dad dae daf dag dai dam dao dar das dat dba dbb dbd dbe dbf dbg dbi dbm dbo dbr dbs dbt dda ddb ddd dde ddf ddg ddi ddm ddo ddr dds ddt de- dea deb ded dee def deg dei dem deo der des det dfa dfb dfd dfe dff dfg dfi dfm dfo dfr dfs dft dga dgd dge dgf dgg dgi dgm dgr dgs dgt di- dia dib did die dif dig dii dim dio dir dis dit dma dmb dmd dme dmf dmg dmi dmm dmo dmr dms dmt doa dob dod doe dof dog doi dom doo dor dos dot dra drb drd dre drg dri drm dro drr drs drt dsa dsb dsd dse dsf dsg dsi dsm dso dsr dss dst dta dtb dtd dte dtf dtg dti dtm dto dtr dts dtt eaa eab ead eae eaf eag eai eam eao ear eas eat eba ebb ebd ebe ebf ebg ebi ebm ebo ebr ebs ebt ed- eda edb edd ede edf edg edi edm edo edr eds edt eea eeb eed eee eef eeg eem eeo eer ees eet ef- efa efb efd efe eff efg efi efm efo efr efs eft ega egb egd ege egf egg egi egm ego egr egs egt eia eib eid eie eif eig eii eim eio eir eis eit em- ema emb emd eme emf emg emi emm emo emr ems emt eo- eoa eob eod eoe eof eog eoi eom eoo eor eos eot era erb erd ere erf erg eri erm ero err ers ert es- esa esb esd ese esf esg esi esm eso esr ess est eta etb etd ete etf etg eti etm eto etr ets ett faa fab fad fae faf fag fai fam fao far fas fat fba fbb fbd fbe fbf fbg fbi fbm fbo fbr fbs fbt fda fdb fdd fde fdf fdg fdi fdm fdo fdr fds fdt fea feb fed fee fef feg fei fem feo fer fes fet ffa ffd ffe fff ffg ffi ffm ffo ffr ffs fft fga fgb fgd fge fgf fgg fgi fgm fgr fgs fgt fia fib fid fie fif fig fii fim fir fis fit fma fmb fmd fme fmf fmg fmi fmm fmo fmr fms fmt foa fob foe fof fog foi fom foo for fos fot fra frb frd fre frf frg fri frm fro frr frs frt fsa fsb fsd fse fsf fsg fsi fsm fso fsr fss fst fta ftb ftd fte ftf ftg fti ftm fto ftr fts ftt g-d gaa gab gad gae gaf gag gai gam gao gar gas gat gba gbd gbe gbf gbg gbi gbm gbo gbr gbs gbt gda gdb gdd gde gdf gdi gdm gdo gdr gds gdt ge- gea geb ged gee gef geg gei gem geo ger ges get gfa gfb gfd gfe gff gfi gfm gfo gfr gfs gft gga ggb ggd ggg ggi ggm ggo ggr ggs ggt gia gib gid gie gif gig gii gim gio gir gis git gma gmb gmd gme gmf gmg gmi gmm gmo gmr gms gmt goa gob god goe gof gog goi gom goo gor gos got gra grb grd gre grf grg gri grm gro grr grs grt gsa gsb gsd gse gsf gsg gsi gsm gso gsr gss gst gta gtb gtd gte gtf gtg gti gtm gto gtr gts gtt i-d i-f ia- iaa iab iad iae iaf iag iai iam iao iar ias iat iba ibb ibd ibe ibf ibg ibi ibm ibo ibr ibs ibt ida idb idd ide idf idg idi idm ido idr ids idt ie- iea ied iee ief ieg iei iem ier ies iet ifa ifb ifd ife iff ifg ifi ifm ifo ifr ifs ift iga igb igd ige igf igg igi igm igo igr igs igt iia iib iid iie iif iii iim iio iir iis iit im- ima imb imd ime imf img imi imm imo ims imt io- ioa iob iod ioe iof iog ioi iom ioo ior ios iot ir- ira irb ird ire irf irg iri irm iro irr irs irt is- isa