-ic a-a a-b a-c a-i a-t aaa aab aac aad aag aai aan aar aas aat ab- aba abb abc abd abg abi abn abr abs abt ac- aca acb acc acd acg aci acn acr acs act ad- ada adb adc add adg adi adn adr ads adt ag- aga agb agc agd agg agi agn agr ags agt ai- aia aib aic aid aig aii ain air ais ait an- ana anb anc and ang ani ann anr ans ant ar- ara arb arc ard arg ari arn arr ars art as- asa asb asc asd asg asi asn asr ass ast at- ata atb atc atd atg ati atn atr ats att baa bab bac bad bag bai ban bar bas bat bba bbb bbc bbd bbg bbi bbn bbr bbs bbt bca bcb bcc bcd bcg bci bcn bcr bcs bct bda bdb bdc bdd bdg bdi bdr bds bdt bga bgb bgc bgd bgg bgi bgn bgr bgs bgt bi- bia bib bic bid big bii bin bir bis bit bna bnb bnc bnd bng bni bnn bnr bns bnt bra brb brd brg bri brn brr brs brt bsa bsb bsc bsd bsg bsi bsn bsr bss bst bta btb btc btd btg bti btn btr bts btt c-- caa cab cac cad cag cai can car cas cat cba cbb cbc cbd cbg cbi cbn cbr cbs cbt cca ccb ccc ccd ccg cci ccn ccr ccs cct cda cdb cdc cdd cdg cdi cdn cdr cds cdt cga cgb cgc cgd cgg cgi cgn cgr cgs cgt ci- cia cib cic cid cig cii cin cir cis cit cn- cna cnb cnc cnd cng cni cnn cnr cns cnt cra crb crc crd crg cri crn crr crs crt csa csb csc csd csg csi csn csr css cst cta ctb ctc ctd ctg cti ctn ctr cts ctt daa dab dac dad dag dai dan dar das dat dba dbb dbc dbd dbg dbi dbn dbr dbs dbt dca dcb dcc dcd dcg dci dcn dcr dcs dct dda ddb ddc ddd ddg ddi ddn ddr dds ddt dga dgc dgd dgg dgi dgn dgr dgs dgt di- dia dib dic did dig dii din dir dis dit dna dnb dnc dnd dng dni dnn dnr dns dnt dra drb drc drd drg dri drn drr drs drt dsa dsb dsc dsd dsg dsi dsn dsr dss dst dta dtb dtc dtd dtg dti dtn dtr dts dtt g-d gaa gab gac gad gag gai gan gar gas gat gba gbc gbd gbg gbi gbn gbr gbs gbt gca gcb gcc gcd gcg gci gcn gcr gcs gct gda gdb gdc gdd gdi gdn gdr gds gdt gga ggb ggc ggd ggg ggi ggn ggr ggs ggt gia gib gic gid gig gii gin gir gis git gna gnb gnc gnd gni gnn gnr gns gnt gra grb grc grd grg gri grn grr grs grt gsa gsb gsc gsd gsg gsi gsn gsr gss gst gta gtb gtc gtd gtg gti gtn gtr gts gtt i-d ia- iaa iab iac iad iag iai ian iar ias iat iba ibb ibc ibd ibg ibi ibn ibr ibs ibt ica icb icc icd icg ici icn icr ics ict ida idb idc idd idg idi idn idr ids idt iga igb igc igd igg igi ign igr igs igt iia iib iic iid iii iin iir iis iit in- ina inb inc ind ing ini inn inr ins int ir- ira irb irc ird irg iri irn irr irs irt is- isa isb isc isd isg isi isn isr iss ist ita itb itc itd itg iti itn its itt n-i naa nab nac nad nag nai nan nar nas nat nba nbb nbc nbd nbg nbi nbn nbr nbs nbt nca ncb ncc ncd ncg nci ncn ncr ncs nct nda ndb ndc ndd ndg ndi ndn ndr nds ndt nga ngb ngc ngd ngg ngi ngn ngs ngt nia nib nic nid nig nii nin nir nis nit nna nnb nnc nng nni nnn nns nnt nra nrb nrc nrd nrg nri nrn nrr nrs nrt nsa nsb nsc nsd nsg nsi nsn nsr nss nst nta ntb ntc ntd ntg nti ntn ntr nts ntt ra- raa rab rac rad rag rai ran rar ras rat rba rbb rbc rbd rbg rbi rbn rbr rbs rbt rca rcb rcc rcd rcg rci rcn rcr rcs rct rda rdb rdc rdd rdg rdi rdn rdr rds rdt rga rgb rgc rgd rgg rgi rgn rgr rgs rgt ria rib ric rid rig rii rin rir ris rit rna rnb rnc rnd rng rni rnn rnr rns rnt rra rrb rrc rrd rrg rri rrn rrr rrs rrt rsa rsb rsc rsd rsg rsi rsn rsr rss rst rta rtb rtc rtd rtg rti rtn rtr rts rtt saa sab sac sad sag sai san sar sas sat sba sbb sbc sbd sbg sbi sbn sbr sbs sbt sca scb scc scd scg sci scn scr scs sct sda sdb sdc sdd sdg sdi sdn sdr sds sdt sga sgb sgc sgd sgg sgi sgn sgr sgs sgt sia sib sic sid sig sii sin sir sis sit sna snb snc snd sng sni snn snr sns snt sr- sra srb src srd srg sri srn srr srs srt ss- ssa ssb ssc ssd ssg ssi ssn ssr sss sst sta stb stc std stg sti stn str sts stt taa tab tac tad tag tai tan tar tas tat tba tbb tbc tbd tbg tbi tbn tbr tbs tbt tca tcb tcc tcd tcg tci tcn tcr tcs tct tda tdb tdc tdd tdg tdi tdn tdr tds tdt tga tgb tgc tgg tgi tgn tgr tgs tgt tia tib tic tid tig tii tin tir tis tit tna tnb tnc tnd tng tni tnn tnr tns tnt tra trb trc trd trg tri trn trr trs trt tsa tsb