a-a a-b a-i a-t aaa aab aad aae aag aai aao aas aat ab- aba abb abd abe abg abi abo abs abt ad- ada adb add ade adg adi ado ads adt aea aeb aed aee aeg aei aeo aes aet ag- aga agb agd age agg agi ago ags agt ai- aia aib aid aie aig aii aio ais ait aoa aob aod aoe aog aoi aoo aos aot as- asa asb asd ase asg asi aso ass ast at- ata atb atd ate atg ati ato ats att baa bab bad bae bag bai bao bas bat bba bbb bbd bbe bbg bbi bbo bbs bbt bda bdb bdd bde bdg bdi bdo bds bdt be- bea beb bed bee beg bei beo bes bet bga bgb bgd bge bgg bgi bgo bgs bgt bi- bia bib bid bie big bii bio bis bit boa bob bod boe bog boi boo bos bot bsa bsb bsd bse bsg bsi bso bss bst bta btb btd bte btg bti bto bts btt daa dab dad dae dag dai dao das dat dba dbb dbd dbe dbg dbi dbo dbs dbt dda ddb ddd dde ddg ddi ddo dds ddt de- dea deb ded dee deg dei deo des det dga dgd dge dgg dgi dgs dgt di- dia dib did die dig dii dio dis dit doa dob dod doe dog doi doo dos dot dsa dsb dsd dse dsg dsi dso dss dst dta dtb dtd dte dtg dti dto dts dtt eaa eab ead eae eag eai eao eas eat eba ebb ebd ebe ebg ebi ebo ebs ebt ed- eda edb edd ede edg edi edo eds edt eea eeb eed eee eeg eeo ees eet ega egb egd ege egg egi ego egs egt eia eib eid eie eig eii eio eis eit eo- eoa eob eod eoe eog eoi eoo eos eot es- esa esb esd ese esg esi eso ess est eta etb etd ete etg eti eto ets ett g-d gaa gab gad gae gag gai gao gas gat gba gbd gbe gbg gbi gbo gbs gbt gda gdb gdd gde gdi gdo gds gdt ge- gea geb ged gee geg gei geo ges get gga ggb ggd ggg ggi ggo ggs ggt gia gib gid gie gig gii gio gis git goa gob god goe gog goi goo gos got gsa gsb gsd gse gsg gsi gso gss gst gta gtb gtd gte gtg gti gto gts gtt i-d ia- iaa iab iad iae iag iai iao ias iat iba ibb ibd ibe ibg ibi ibo ibs ibt ida idb idd ide idg idi ido ids idt ie- iea ied iee ieg iei ies iet iga igb igd ige igg igi igo igs igt iia iib iid iie iii iio iis iit io- ioa iob iod ioe iog ioi ioo ios iot is- isa isb isd ise isg isi iso iss ist ita itb itd ite itg iti ito its itt o-i oaa oab oad oae oag oai oao oas oat ob- oba obb obd obe obg obi obo obs obt oda odb odd ode odg odi odo ods odt oea oeb oed oee oeg oei oeo oes oet oga ogd oge ogg ogi ogo ogs ogt oia oib oid oie oii oio ois oit oo- ooa oob ood oog ooi ooo oos oot os- osa osb osd ose osg osi oso oss ost ot- ota otb otd ote otg oti oto ots ott saa sab sad sae sag sai sao sas sat sba sbb sbd sbe sbg sbi sbo sbs sbt sda sdb sdd sde sdg sdi sdo sds sdt se- sea seb sed see seg sei seo ses set sga sgb sgd sge sgg sgi sgo sgs sgt sia sib sid sie sig sii sio sis sit soa sob sod soe sog soi soo sos sot ss- ssa ssb ssd sse ssg ssi sso sss sst sta stb std ste stg sti sto sts stt taa tab tad tae tag tai tao tas tat tba tbb tbd tbe tbg tbi tbo tbs tbt tda tdb tdd tde tdg tdi tdo tds tdt te- tea teb ted tee teg tei teo tes tet tga tgb tge tgg tgi tgo tgs tgt tia tib tid tie tig tii tio tis tit to- toa tob tod toe tog toi too tos tot tsa tsb tsd tse tsg tsi tso tss tst tta ttb ttd tte ttg tti tto tts ttt