a-a a-b a-i a-t aaa aab aad aag aai aan aao aar aas aat ab- aba abb abd abg abi abn abo abr abs abt ad- ada adb add adg adi adn ado adr ads adt ag- aga agb agd agg agi agn ago agr ags agt ai- aia aib aid aig aii ain aio air ais ait an- ana anb and ang ani ann ano anr ans ant aoa aob aod aog aoi aon aoo aor aos aot ar- ara arb ard arg ari arn aro arr ars art as- asa asb asd asg asi asn aso asr ass ast at- ata atb atd atg ati atn ato atr ats att baa bab bad bag bai ban bao bar bas bat bba bbb bbd bbg bbi bbn bbo bbr bbs bbt bda bdb bdd bdg bdi bdo bdr bds bdt bga bgb bgd bgg bgi bgn bgo bgr bgs bgt bi- bia bib bid big bii bin bio bir bis bit bna bnb bnd bng bni bnn bno bnr bns bnt boa bob bod bog boi bon boo bor bos bot bra brb brd brg bri brn bro brr brs brt bsa bsb bsd bsg bsi bsn bso bsr bss bst bta btb btd btg bti btn bto btr bts btt daa dab dad dag dai dan dao dar das dat dba dbb dbd dbg dbi dbn dbo dbr dbs dbt dda ddb ddd ddg ddi ddn ddo ddr dds ddt dga dgd dgg dgi dgn dgr dgs dgt di- dia dib did dig dii din dio dir dis dit dna dnb dnd dng dni dnn dno dnr dns dnt doa dob dod dog doi don doo dor dos dot dra drb drd drg dri drn dro drr drs drt dsa dsb dsd dsg dsi dsn dso dsr dss dst dta dtb dtd dtg dti dtn dto dtr dts dtt g-d gaa gab gad gag gai gan gao gar gas gat gba gbd gbg gbi gbn gbo gbr gbs gbt gda gdb gdd gdi gdn gdo gdr gds gdt gga ggb ggd ggg ggi ggn ggo ggr ggs ggt gia gib gid gig gii gin gio gir gis git gna gnb gnd gni gnn gno gnr gns gnt goa gob god gog goi gon goo gor gos got gra grb grd grg gri grn gro grr grs grt gsa gsb gsd gsg gsi gsn gso gsr gss gst gta gtb gtd gtg gti gtn gto gtr gts gtt i-d ia- iaa iab iad iag iai ian iao iar ias iat iba ibb ibd ibg ibi ibn ibo ibr ibs ibt ida idb idd idg idi idn ido idr ids idt iga igb igd igg igi ign igo igr igs igt iia iib iid iii iin iio iir iis iit in- ina inb ind ing ini inn ino inr ins int io- ioa iob iod iog ioi ion ioo ior ios iot ir- ira irb ird irg iri irn iro irr irs irt is- isa isb isd isg isi isn iso isr iss ist ita itb itd itg iti itn ito its itt n-i naa nab nad nag nai nan nao nar nas nat nba nbb nbd nbg nbi nbn nbo nbr nbs nbt nda ndb ndd ndg ndi ndn ndo ndr nds ndt nga ngb ngd ngg ngi ngn ngo ngs ngt nia nib nid nig nii nin nio nir nis nit nna nnb nng nni nnn nno nns nnt no- noa nob nod nog noi non noo nor nos not nra nrb nrd nrg nri nrn nro nrr nrs nrt nsa nsb nsd nsg nsi nsn nso nsr nss nst nta ntb ntd ntg nti ntn nto ntr nts ntt o-i oaa oab oad oag oai oan oao oar oas oat ob- oba obb obd obg obi obn obo obr obs obt oda odb odd odg odi odn odo odr ods odt oga ogd ogg ogi ogn ogo ogs ogt oia oib oid oii oin oio oir ois oit on- ona onb ond ong oni onn ono onr ons ont oo- ooa oob ood oog ooi oon ooo oor oos oot or- ora orb ord org ori orn oro orr ors ort os- osa osb osd osg osi osn oso osr oss ost ot- ota otb otd otg oti otn oto otr ots ott ra- raa rab rad rag rai ran rao rar ras rat rba rbb rbd rbg rbi rbn rbo rbr rbs rbt rda rdb rdd rdg rdi rdn rdo rdr rds rdt rga rgb rgd rgg rgi rgn rgo rgr rgs rgt ria rib rid rig rii rin rio rir ris rit rna rnb rnd rng rni rnn rno rnr rns rnt roa rob rod rog roi ron roo ror ros rot rra rrb rrd rrg rri rrn rrr rrs rrt rsa rsb rsd rsg rsi rsn rso rsr rss rst rta rtb rtd rtg rti rtn rto rtr rts rtt saa sab sad sag sai san sao sar sas sat sba sbb sbd sbg sbi sbn sbo sbr sbs sbt sda sdb sdd sdg sdi sdn sdo sdr sds sdt sga sgb sgd sgg sgi sgn sgo sgr sgs sgt sia sib sid sig sii sin sio sir sis sit sna snb snd sng sni snn sno snr sns snt soa sob sod sog soi son soo sor sos sot sr- sra srb srd srg sri srn sro srr srs srt ss- ssa ssb ssd ssg ssi ssn sso ssr sss sst sta stb std stg sti stn sto str sts stt taa tab tad tag tai tan tao tar tas tat tba tbb tbd tbg tbi tbn tbo tbr tbs tbt tda tdb tdd tdg tdi tdn tdo tdr tds tdt tga tgb tgg tgi tgn tgo tgr tgs tgt tia tib tid tig tii tin tio tir tis tit tna tnb tnd tng tni tnn tno tnr tns tnt to- toa tob tod tog toi ton too tor tos tot tra trb trd trg tri trn tro trr trs trt tsa tsb