a-a a-b a-i a-t aaa aab aad aae aag aai aan aao aas aat ab- aba abb abd abe abg abi abn abo abs abt ad- ada adb add ade adg adi adn ado ads adt aea aeb aed aee aeg aei aen aeo aes aet ag- aga agb agd age agg agi agn ago ags agt ai- aia aib aid aie aig aii ain aio ais ait an- ana anb and ane ang ani ann ano ans ant aoa aob aod aoe aog aoi aon aoo aos aot as- asa asb asd ase asg asi asn aso ass ast at- ata atb atd ate atg ati atn ato ats att baa bab bad bae bag bai ban bao bas bat bba bbb bbd bbe bbg bbi bbn bbo bbs bbt bda bdb bdd bde bdg bdi bdo bds bdt be- bea beb bed bee beg bei ben beo bes bet bga bgb bgd bge bgg bgi bgn bgo bgs bgt bi- bia bib bid bie big bii bin bio bis bit bna bnb bnd bne bng bni bnn bno bns bnt boa bob bod boe bog boi bon boo bos bot bsa bsb bsd bse bsg bsi bsn bso bss bst bta btb btd bte btg bti btn bto bts btt daa dab dad dae dag dai dan dao das dat dba dbb dbd dbe dbg dbi dbn dbo dbs dbt dda ddb ddd dde ddg ddi ddn ddo dds ddt de- dea deb ded dee deg dei den deo des det dga dgd dge dgg dgi dgn dgs dgt di- dia dib did die dig dii din dio dis dit dna dnb dnd dne dng dni dnn dno dns dnt doa dob dod doe dog doi don doo dos dot dsa dsb dsd dse dsg dsi dsn dso dss dst dta dtb dtd dte dtg dti dtn dto dts dtt eaa eab ead eae eag eai ean eao eas eat eba ebb ebd ebe ebg ebi ebn ebo ebs ebt ed- eda edb edd ede edg edi edn edo eds edt eea eeb eed eee eeg een eeo ees eet ega egb egd ege egg egi egn ego egs egt eia eib eid eie eig eii ein eio eis eit en- ena enb end ene eng eni enn eno ens ent eo- eoa eob eod eoe eog eoi eon eoo eos eot es- esa esb esd ese esg esi esn eso ess est eta etb etd ete etg eti etn eto ets ett g-d gaa gab gad gae gag gai gan gao gas gat gba gbd gbe gbg gbi gbn gbo gbs gbt gda gdb gdd gde gdi gdn gdo gds gdt ge- gea geb ged gee geg gei gen geo ges get gga ggb ggd ggg ggi ggn ggo ggs ggt gia gib gid gie gig gii gin gio gis git gna gnb gnd gne gni gnn gno gns gnt goa gob god goe gog goi gon goo gos got gsa gsb gsd gse gsg gsi gsn gso gss gst gta gtb gtd gte gtg gti gtn gto gts gtt i-d ia- iaa iab iad iae iag iai ian iao ias iat iba ibb ibd ibe ibg ibi ibn ibo ibs ibt ida idb idd ide idg idi idn ido ids idt ie- iea ied iee ieg iei ien ies iet iga igb igd ige igg igi ign igo igs igt iia iib iid iie iii iin iio iis iit in- ina inb ind ine ing ini inn ino ins int io- ioa iob iod ioe iog ioi ion ioo ios iot is- isa isb isd ise isg isi isn iso iss ist ita itb itd ite itg iti itn ito its itt n-i naa nab nad nae nag nai nan nao nas nat nba nbb nbd nbe nbg nbi nbn nbo nbs nbt nda ndb ndd nde ndg ndi ndn ndo nds ndt ne- nea neb ned nee neg nei nen neo nes net nga ngb ngd nge ngg ngi ngn ngo ngs ngt nia nib nid nie nig nii nin nio nis nit nna nnb nne nng nni nnn nno nns nnt no- noa nob nod noe nog noi non noo nos not nsa nsb nsd nse nsg nsi nsn nso nss nst nta ntb ntd nte ntg nti ntn nto nts ntt o-i oaa oab oad oae oag oai oan oao oas oat ob- oba obb obd obe obg obi obn obo obs obt oda odb odd ode odg odi odn odo ods odt oea oeb oed oee oeg oei oen oeo oes oet oga ogd oge ogg ogi ogn ogo ogs ogt oia oib oid oie oii oin oio ois oit on- ona onb ond one ong oni onn ono ons ont oo- ooa oob ood oog ooi oon ooo oos oot os- osa osb osd ose osg osi osn oso oss ost ot- ota otb otd ote otg oti otn oto ots ott saa sab sad sae sag sai san sao sas sat sba sbb sbd sbe sbg sbi sbn sbo sbs sbt sda sdb sdd sde sdg sdi sdn sdo sds sdt se- sea seb sed see seg sei sen seo ses set sga sgb sgd sge sgg sgi sgn sgo sgs sgt sia sib sid sie sig sii sin sio sis sit sna snb snd sne sng sni snn sno sns snt soa sob sod soe sog soi son soo sos sot ss- ssa ssb ssd sse ssg ssi ssn sso sss sst sta stb std ste stg sti stn sto sts stt taa tab tad tae tag tai tan tao tas tat tba tbb tbd tbe tbg tbi tbn tbo tbs tbt tda tdb tdd tde tdg tdi tdn tdo tds tdt te- tea teb ted tee teg tei ten teo tes tet tga tgb tge tgg tgi tgn tgo tgs tgt tia tib tid tie tig tii tin tio tis tit tna tnb tnd tne tng tni tnn tno tns tnt to- toa tob tod toe tog toi