-er a-a a-b a-i a-t aaa aab aad aae aaf aag aai aam aao aar aat aau ab- aba abb abd abe abf abg abi abm abo abr abt abu ad- ada adb add ade adf adg adi adm ado adr adt adu aea aeb aed aee aef aeg aei aem aeo aer aet aeu af- afa afb afd afe aff afg afi afm afo afr aft afu ag- aga agb agd age agf agg agi agm ago agr agt agu ai- aia aib aid aie aif aig aii aim aio air ait aiu ama amb amd ame amf amg ami amm amo amr amt amu aoa aob aod aoe aof aog aoi aom aoo aor aot aou ar- ara arb ard are arf arg ari arm aro arr art aru at- ata atb atd ate atf atg ati atm ato atr att atu au- aua aub aud aue auf aug aui aum auo aur aut b-u baa bab bad bae baf bag bai bam bao bar bat bau bba bbb bbd bbe bbf bbg bbi bbm bbo bbr bbt bbu bda bdb bdd bde bdf bdg bdi bdm bdo bdr bdt bdu be- bea beb bed bee bef beg bei bem beo ber bet beu bfa bfb bfd bfe bff bfg bfi bfm bfo bfr bft bfu bga bgb bgd bge bgf bgg bgi bgm bgo bgr bgt bgu bi- bia bib bid bie bif big bii bim bio bir bit biu bma bmb bmd bme bmf bmg bmi bmm bmo bmr bmt bmu boa bob bod boe bof bog boi bom boo bor bot bou bra brb brd bre brf brg bri brm bro brr brt bru bta btb btd bte btf btg bti btm bto btr btt btu bua bub bud bue buf bug bui bum buo bur but buu daa dab dad dae daf dag dai dam dao dar dat dau dba dbb dbd dbe dbf dbg dbi dbm dbo dbr dbt dbu dda ddb ddd dde ddf ddg ddi ddm ddo ddr ddt ddu de- dea deb ded dee def deg dei dem deo der det deu dfa dfb dfd dfe dff dfg dfi dfm dfo dfr dft dfu dga dgd dge dgf dgg dgi dgm dgr dgt dgu di- dia dib did die dif dig dii dim dio dir dit diu dma dmb dmd dme dmf dmg dmi dmm dmo dmr dmt dmu doa dob dod doe dof dog doi dom doo dor dot dou dra drb drd dre drg dri drm dro drr drt dru dta dtb dtd dte dtf dtg dti dtm dto dtr dtt dtu dua dub dud due duf dug dui dum duo dur dut eaa eab ead eae eaf eag eai eam eao ear eat eau eba ebb ebd ebe ebf ebg ebi ebm ebo ebr ebt ebu ed- eda edb edd ede edf edg edi edm edo edr edt edu eea eeb eed eee eef eeg eem eeo eer eet ef- efa efb efd efe eff efg efi efm efo efr eft ega egb egd ege egf egg egi egm ego egr egt egu eia eib eid eie eif eig eii eim eio eir eit eiu em- ema emb emd eme emf emg emi emm emo emr emt emu eo- eoa eob eod eoe eof eog eoi eom eoo eor eot eou era erb erd ere erf erg eri erm ero err ert eru eta etb etd ete etf etg eti etm eto etr ett etu eu- eua eub eud eue euf eug eui eur eut faa fab fad fae faf fag fai fam fao far fat fau fba fbb fbd fbe fbf fbg fbi fbm fbo fbr fbt fbu fda fdb fdd fde fdf fdg fdi fdm fdo fdr fdt fdu fea feb fed fee fef feg fei fem feo fer fet feu ffa ffd ffe fff ffg ffi ffm ffo ffr fft ffu fga fgb fgd fge fgf fgg fgi fgm fgr fgt fia fib fid fie fif fig fii fim fir fit fiu fma fmb fmd fme fmf fmg fmi fmm fmo fmr fmt fmu foa fob foe fof fog foi fom foo for fot fou fra frb frd fre frf frg fri frm fro frr frt fru fta ftb ftd fte ftf ftg fti ftm fto ftr ftt ftu fua fub fud fue fuf fug fui fum fuo fur fut fuu g-d gaa gab gad gae gaf gag gai gam gao gar gat gau gba gbd gbe gbf gbg gbi gbm gbo gbr gbt gbu gda gdb gdd gde gdf gdi gdm gdo gdr gdt gdu ge- gea geb ged gee gef geg gei gem geo ger get geu gfa gfb gfd gfe gff gfi gfm gfo gfr gft gga ggb ggd ggg ggi ggm ggo ggr ggt ggu gia gib gid gie gif gig gii gim gio gir git giu gma gmb gmd gme gmf gmg gmi gmm gmo gmr gmt goa gob god goe gof gog goi gom goo gor got gou gra grb grd gre grf grg gri grm gro grr grt gru gta gtb gtd gte gtf gtg gti gtm gto gtr gtt gtu gu- gua gub gud gue guf gug gui gum guo gur gut guu i-d i-f ia- iaa iab iad iae iaf iag iai iam iao iar iat iau iba ibb ibd ibe ibf ibg ibi ibm ibo ibr ibt ibu ida idb idd ide idf idg idi idm ido idr idt idu ie- iea ied iee ief ieg iei iem ier iet ifa ifb ifd ife iff ifg ifi ifm ifo ifr ift ifu iga igb igd ige igf igg igi igm igo igr igt igu iia iib iid iie iif iii iim iio iir iit iiu im- ima imb imd ime imf img imi imm imo imt imu io- ioa iob iod ioe iof iog ioi iom ioo ior iot iou ir- ira irb ird ire irf irg iri irm iro irr irt iru ita itb itd ite itf itg iti itm ito itt itu