a-a a-b a-i a-t aaa aab aad aag aai aak aan aar aas aat ab- aba abb abd abg abi abk abn abr abs abt ad- ada adb add adg adi adk adn adr ads adt ag- aga agb agd agg agi agk agn agr ags agt ai- aia aib aid aig aii aik ain air ais ait aka akb akd akg aki akk akn akr aks an- ana anb and ang ani ank ann anr ans ant ar- ara arb ard arg ari ark arn arr ars art as- asa asb asd asg asi ask asn asr ass ast at- ata atb atd atg ati atn atr ats att baa bab bad bag bai bak ban bar bas bat bba bbb bbd bbg bbi bbk bbn bbr bbs bbt bda bdb bdd bdg bdi bdk bdr bds bdt bga bgb bgd bgg bgi bgk bgn bgr bgs bgt bi- bia bib bid big bii bik bin bir bis bit bka bkb bkg bkk bkn bkr bks bkt bna bnb bnd bng bni bnk bnn bnr bns bnt bra brb brd brg bri brk brn brr brs brt bsa bsb bsd bsg bsi bsk bsn bsr bss bst bta btb btd btg bti btk btn btr bts btt daa dab dad dag dai dak dan dar das dat dba dbb dbd dbg dbi dbk dbn dbr dbs dbt dda ddb ddd ddg ddi ddk ddn ddr dds ddt dga dgd dgg dgi dgk dgn dgr dgs dgt di- dia dib did dig dii dik din dir dis dit dka dkb dkg dki dkk dkr dks dkt dna dnb dnd dng dni dnk dnn dnr dns dnt dra drb drd drg dri drk drn drr drs drt dsa dsb dsd dsg dsi dsk dsn dsr dss dst dta dtb dtd dtg dti dtk dtn dtr dts dtt g-d gaa gab gad gag gai gak gan gar gas gat gba gbd gbg gbi gbk gbn gbr gbs gbt gda gdb gdd gdi gdk gdn gdr gds gdt gga ggb ggd ggg ggi ggn ggr ggs ggt gia gib gid gig gii gik gin gir gis git gka gkb gkd gkn gks gkt gna gnb gnd gni gnn gnr gns gnt gra grb grd grg gri grk grn grr grs grt gsa gsb gsd gsg gsi gsk gsn gsr gss gst gta gtb gtd gtg gti gtk gtn gtr gts gtt i-d ia- iaa iab iad iag iai ian iar ias iat iba ibb ibd ibg ibi ibk ibn ibr ibs ibt ida idb idd idg idi idk idn idr ids idt iga igb igd igg igi igk ign igr igs igt iia iib iid iii iin iir iis iit ika ikb iki ikk ikr iks ikt in- ina inb ind ing ini ink inn inr ins int ir- ira irb ird irg iri irk irn irr irs irt is- isa isb isd isg isi isk isn isr iss ist ita itb itd itg iti itk itn its itt k-t ka- kaa kab kad kag kai kak kan kar kas kat kba kbb kbd kbi kbk kbn kbr kbs kda kdb kdg kdk kdr kds kdt kga kgb kgd kgi kgs kia kib kid kig kii kik kin kir kis kit kkb kki kkk kkn kkr kks kkt kn- kna knd kng kni knk knn knr knt kra krd krg kri krk krn krr krs krt ksa ksb ksd ksg ksi ksk ksn ksr kss kst kta ktb ktg ktk ktn ktr kts ktt n-i naa nab nad nag nai nak nan nar nas nat nba nbb nbd nbg nbi nbk nbn nbr nbs nbt nda ndb ndd ndg ndi ndk ndn ndr nds ndt nga ngb ngd ngg ngi ngk ngn ngs ngt nia nib nid nig nii nik nin nir nis nit nka nki nkk nkn nkr nks nkt nna nnb nng nni nnk nnn nns nnt nra nrb nrd nrg nri nrk nrn nrr nrs nrt nsa nsb nsd nsg nsi nsk nsn nsr nss nst nta ntb ntd ntg nti ntk ntn ntr nts ntt ra- raa rab rad rag rai rak ran rar ras rat rba rbb rbd rbg rbi rbk rbn rbr rbs rbt rda rdb rdd rdg rdi rdn rdr rds rdt rga rgb rgd rgg rgi rgk rgn rgr rgs rgt ria rib rid rig rii rik rin rir ris rit rkb rkg rkk rks rkt rna rnb rnd rng rni rnn rnr rns rnt rra rrb rrd rrg rri rrk rrn rrr rrs rrt rsa rsb rsd rsg rsi rsk rsn rsr rss rst rta rtb rtd rtg rti rtk rtn rtr rts rtt saa sab sad sag sai sak san sar sas sat sba sbb sbd sbg sbi sbk sbn sbr sbs sbt sda sdb sdd sdg sdi sdk sdn sdr sds sdt sga sgb sgd sgg sgi sgk sgn sgr sgs sgt sia sib sid sig sii sik sin sir sis sit sk- ska skb skd skg ski skk skr sks skt sna snb snd sng sni snk snn snr sns snt sr- sra srb srd srg sri srk srn srr srs srt ss- ssa ssb ssd ssg ssi ssk ssn ssr sss sst sta stb std stg sti stk stn str sts stt taa tab tad tag tai tak tan tar tas tat tba tbb tbd tbg tbi tbk tbn tbr tbs tbt tda tdb tdd tdg tdi tdk tdn tdr tds tdt tga tgb tgg tgi tgk tgn tgr tgs tgt tia tib tid tig tii tik tin tir tis tit tka tkb tkg tkk tkr tks tkt tna tnb tnd tng tni tnk tnn tnr tns tnt tra trb trd trg tri trk trn trr trs trt tsa tsb tsd tsg tsi tsk tsn tsr tss tst tta ttb ttd ttg tti ttk ttn ttr tts ttt