-er a-a a-b a-i a-t aaa aab aad aae aaf aag aai aan aao aar aat aau ab- aba abb abd abe abf abg abi abn abo abr abt abu ad- ada adb add ade adf adg adi adn ado adr adt adu aea aeb aed aee aef aeg aei aen aeo aer aet aeu af- afa afb afd afe aff afg afi afn afo afr aft afu ag- aga agb agd age agf agg agi agn ago agr agt agu ai- aia aib aid aie aif aig aii ain aio air ait aiu an- ana anb and ane anf ang ani ann ano anr ant anu aoa aob aod aoe aof aog aoi aon aoo aor aot aou ar- ara arb ard are arf arg ari arn aro arr art aru at- ata atb atd ate atf atg ati atn ato atr att atu au- aua aub aud aue auf aug aui aun auo aur aut b-u baa bab bad bae baf bag bai ban bao bar bat bau bba bbb bbd bbe bbf bbg bbi bbn bbo bbr bbt bbu bda bdb bdd bde bdf bdg bdi bdo bdr bdt bdu be- bea beb bed bee bef beg bei ben beo ber bet beu bfa bfb bfd bfe bff bfg bfi bfn bfo bfr bft bfu bga bgb bgd bge bgf bgg bgi bgn bgo bgr bgt bgu bi- bia bib bid bie bif big bii bin bio bir bit biu bna bnb bnd bne bnf bng bni bnn bno bnr bnt bnu boa bob bod boe bof bog boi bon boo bor bot bou bra brb brd bre brf brg bri brn bro brr brt bru bta btb btd bte btf btg bti btn bto btr btt btu bua bub bud bue buf bug bui bun buo bur but buu daa dab dad dae daf dag dai dan dao dar dat dau dba dbb dbd dbe dbf dbg dbi dbn dbo dbr dbt dbu dda ddb ddd dde ddf ddg ddi ddn ddo ddr ddt ddu de- dea deb ded dee def deg dei den deo der det deu dfa dfb dfd dfe dff dfg dfi dfn dfo dfr dft dfu dga dgd dge dgf dgg dgi dgn dgr dgt dgu di- dia dib did die dif dig dii din dio dir dit diu dna dnb dnd dne dnf dng dni dnn dno dnr dnt doa dob dod doe dof dog doi don doo dor dot dou dra drb drd dre drg dri drn dro drr drt dru dta dtb dtd dte dtf dtg dti dtn dto dtr dtt dtu dua dub dud due duf dug dui dun duo dur dut eaa eab ead eae eaf eag eai ean eao ear eat eau eba ebb ebd ebe ebf ebg ebi ebn ebo ebr ebt ebu ed- eda edb edd ede edf edg edi edn edo edr edt edu eea eeb eed eee eef eeg een eeo eer eet ef- efa efb efd efe eff efg efi efo efr eft ega egb egd ege egf egg egi egn ego egr egt egu eia eib eid eie eif eig eii ein eio eir eit eiu en- ena enb end ene enf eng eni enn eno enr ent enu eo- eoa eob eod eoe eof eog eoi eon eoo eor eot eou era erb erd ere erf erg eri ern ero err ert eru eta etb etd ete etf etg eti etn eto etr ett etu eu- eua eub eud eue euf eug eui eun eur eut faa fab fad fae faf fag fai fan fao far fat fau fba fbb fbd fbe fbf fbg fbi fbn fbo fbr fbt fbu fda fdb fdd fde fdf fdg fdi fdn fdo fdr fdt fdu fea feb fed fee fef feg fei fen feo fer fet feu ffa ffd ffe fff ffg ffi ffn ffo ffr fft ffu fga fgb fgd fge fgf fgg fgi fgn fgr fgt fia fib fid fie fif fig fii fin fir fit fiu fna fnb fnd fne fnf fng fni fnn fnr fnt fnu foa fob foe fof fog foi fon foo for fot fou fra frb frd fre frf frg fri frn fro frr frt fru fta ftb ftd fte ftf ftg fti ftn fto ftr ftt ftu fua fub fud fue fuf fug fui fun fuo fur fut fuu g-d gaa gab gad gae gaf gag gai gan gao gar gat gau gba gbd gbe gbf gbg gbi gbn gbo gbr gbt gbu gda gdb gdd gde gdf gdi gdn gdo gdr gdt gdu ge- gea geb ged gee gef geg gei gen geo ger get geu gfa gfb gfd gfe gff gfi gfo gfr gft gga ggb ggd ggg ggi ggn ggo ggr ggt ggu gia gib gid gie gif gig gii gin gio gir git giu gna gnb gnd gne gnf gni gnn gno gnr gnt gnu goa gob god goe gof gog goi gon goo gor got gou gra grb grd gre grf grg gri grn gro grr grt gru gta gtb gtd gte gtf gtg gti gtn gto gtr gtt gtu gu- gua gub gud gue guf gug gui gun guo gur gut guu i-d i-f ia- iaa iab iad iae iaf iag iai ian iao iar iat iau iba ibb ibd ibe ibf ibg ibi ibn ibo ibr ibt ibu ida idb idd ide idf idg idi idn ido idr idt idu ie- iea ied iee ief ieg iei ien ier iet ifa ifb ifd ife iff ifg ifi ifn ifo ifr ift ifu iga igb igd ige igf igg igi ign igo igr igt igu iia iib iid iie iif iii iin iio iir iit iiu in- ina inb ind ine inf ing ini inn ino inr int inu io- ioa iob iod ioe iof iog ioi ion ioo ior iot iou ir- ira irb ird ire irf irg iri irn iro irr irt iru ita itb itd ite itf itg iti itn ito itt itu iu- iua