-ic a-a a-b a-c a-i aaa aab aac aad aag aai aan aar aas ab- aba abb abc abd abg abi abn abr abs ac- aca acb acc acd acg aci acn acr acs ad- ada adb adc add adg adi adn adr ads ag- aga agb agc agd agg agi agn agr ags ai- aia aib aic aid aig aii ain air ais an- ana anb anc and ang ani ann anr ans ar- ara arb arc ard arg ari arn arr ars as- asa asb asc asd asg asi asn asr ass baa bab bac bad bag bai ban bar bas bba bbb bbc bbd bbg bbi bbn bbr bbs bca bcb bcc bcd bcg bci bcn bcr bcs bda bdb bdc bdd bdg bdi bdr bds bga bgb bgc bgd bgg bgi bgn bgr bgs bi- bia bib bic bid big bii bin bir bis bna bnb bnc bnd bng bni bnn bnr bns bra brb brd brg bri brn brr brs bsa bsb bsc bsd bsg bsi bsn bsr bss c-- caa cab cac cad cag cai can car cas cba cbb cbc cbd cbg cbi cbn cbr cbs cca ccb ccc ccd ccg cci ccn ccr ccs cda cdb cdc cdd cdg cdi cdn cdr cds cga cgb cgc cgd cgg cgi cgn cgr cgs ci- cia cib cic cid cig cii cin cir cis cn- cna cnb cnc cnd cng cni cnn cnr cns cra crb crc crd crg cri crn crr crs csa csb csc csd csg csi csn csr css daa dab dac dad dag dai dan dar das dba dbb dbc dbd dbg dbi dbn dbr dbs dca dcb dcc dcd dcg dci dcn dcr dcs dda ddb ddc ddd ddg ddi ddn ddr dds dga dgc dgd dgg dgi dgn dgr dgs di- dia dib dic did dig dii din dir dis dna dnb dnc dnd dng dni dnn dnr dns dra drb drc drd drg dri drn drr drs dsa dsb dsc dsd dsg dsi dsn dsr dss g-d gaa gab gac gad gag gai gan gar gas gba gbc gbd gbg gbi gbn gbr gbs gca gcb gcc gcd gcg gci gcn gcr gcs gda gdb gdc gdd gdi gdn gdr gds gga ggb ggc ggd ggg ggi ggn ggr ggs gia gib gic gid gig gii gin gir gis gna gnb gnc gnd gni gnn gnr gns gra grb grc grd grg gri grn grr grs gsa gsb gsc gsd gsg gsi gsn gsr gss i-d ia- iaa iab iac iad iag iai ian iar ias iba ibb ibc ibd ibg ibi ibn ibr ibs ica icb icc icd icg ici icn icr ics ida idb idc idd idg idi idn idr ids iga igb igc igd igg igi ign igr igs iia iib iic iid iii iin iir iis in- ina inb inc ind ing ini inn inr ins ir- ira irb irc ird irg iri irn irr irs is- isa isb isc isd isg isi isn isr iss n-i naa nab nac nad nag nai nan nar nas nba nbb nbc nbd nbg nbi nbn nbr nbs nca ncb ncc ncd ncg nci ncn ncr ncs nda ndb ndc ndd ndg ndi ndn ndr nds nga ngb ngc ngd ngg ngi ngn ngs nia nib nic nid nig nii nin nir nis nna nnb nnc nng nni nnn nns nra nrb nrc nrd nrg nri nrn nrr nrs nsa nsb nsc nsd nsg nsi nsn nsr nss ra- raa rab rac rad rag rai ran rar ras rba rbb rbc rbd rbg rbi rbn rbr rbs rca rcb rcc rcd rcg rci rcn rcr rcs rda rdb rdc rdd rdg rdi rdn rdr rds rga rgb rgc rgd rgg rgi rgn rgr rgs ria rib ric rid rig rii rin rir ris rna rnb rnc rnd rng rni rnn rnr rns rra rrb rrc rrd rrg rri rrn rrr rrs rsa rsb rsc rsd rsg rsi rsn rsr rss saa sab sac sad sag sai san sar sas sba sbb sbc sbd sbg sbi sbn sbr sbs sca scb scc scd scg sci scn scr scs sda sdb sdc sdd sdg sdi sdn sdr sds sga sgb sgc sgd sgg sgi sgn sgr sgs sia sib sic sid sig sii sin sir sis sna snb snc snd sng sni snn snr sns sr- sra srb src srd srg sri srn srr srs ss- ssa ssb ssc ssd ssg ssi ssn ssr sss