-ic a-a a-b a-c a-i aaa aab aac aad aag aai aan aao aar aas ab- aba abb abc abd abg abi abn abo abr abs ac- aca acb acc acd acg aci acn aco acr acs ad- ada adb adc add adg adi adn ado adr ads ag- aga agb agc agd agg agi agn ago agr ags ai- aia aib aic aid aig aii ain aio air ais an- ana anb anc and ang ani ann ano anr ans aoa aob aoc aod aog aoi aon aoo aor aos ar- ara arb arc ard arg ari arn aro arr ars as- asa asb asc asd asg asi asn aso asr ass baa bab bac bad bag bai ban bao bar bas bba bbb bbc bbd bbg bbi bbn bbo bbr bbs bca bcb bcc bcd bcg bci bcn bco bcr bcs bda bdb bdc bdd bdg bdi bdo bdr bds bga bgb bgc bgd bgg bgi bgn bgo bgr bgs bi- bia bib bic bid big bii bin bio bir bis bna bnb bnc bnd bng bni bnn bno bnr bns boa bob boc bod bog boi bon boo bor bos bra brb brd brg bri brn bro brr brs bsa bsb bsc bsd bsg bsi bsn bso bsr bss c-- caa cab cac cad cag cai can cao car cas cba cbb cbc cbd cbg cbi cbn cbo cbr cbs cca ccb ccc ccd ccg cci ccn cco ccr ccs cda cdb cdc cdd cdg cdi cdn cdo cdr cds cga cgb cgc cgd cgg cgi cgn cgo cgr cgs ci- cia cib cic cid cig cii cin cio cir cis cn- cna cnb cnc cnd cng cni cnn cno cnr cns co- coa cob coc cod cog coi con coo cor cos cra crb crc crd crg cri crn cro crr crs csa csb csc csd csg csi csn cso csr css daa dab dac dad dag dai dan dao dar das dba dbb dbc dbd dbg dbi dbn dbo dbr dbs dca dcb dcc dcd dcg dci dcn dco dcr dcs dda ddb ddc ddd ddg ddi ddn ddo ddr dds dga dgc dgd dgg dgi dgn dgr dgs di- dia dib dic did dig dii din dio dir dis dna dnb dnc dnd dng dni dnn dno dnr dns doa dob doc dod dog doi don doo dor dos dra drb drc drd drg dri drn dro drr drs dsa dsb dsc dsd dsg dsi dsn dso dsr dss g-d gaa gab gac gad gag gai gan gao gar gas gba gbc gbd gbg gbi gbn gbo gbr gbs gca gcb gcc gcd gcg gci gcn gco gcr gcs gda gdb gdc gdd gdi gdn gdo gdr gds gga ggb ggc ggd ggg ggi ggn ggo ggr ggs gia gib gic gid gig gii gin gio gir gis gna gnb gnc gnd gni gnn gno gnr gns goa gob goc god gog goi gon goo gor gos gra grb grc grd grg gri grn gro grr grs gsa gsb gsc gsd gsg gsi gsn gso gsr gss i-d ia- iaa iab iac iad iag iai ian iao iar ias iba ibb ibc ibd ibg ibi ibn ibo ibr ibs ica icb icc icd icg ici icn ico icr ics ida idb idc idd idg idi idn ido idr ids iga igb igc igd igg igi ign igo igr igs iia iib iic iid iii iin iio iir iis in- ina inb inc ind ing ini inn ino inr ins io- ioa iob ioc iod iog ioi ion ioo ior ios ir- ira irb irc ird irg iri irn iro irr irs is- isa isb isc isd isg isi isn iso isr iss n-i naa nab nac nad nag nai nan nao nar nas nba nbb nbc nbd nbg nbi nbn nbo nbr nbs nca ncb ncc ncd ncg nci ncn nco ncr ncs nda ndb ndc ndd ndg ndi ndn ndo ndr nds nga ngb ngc ngd ngg ngi ngn ngo ngs nia nib nic nid nig nii nin nio nir nis nna nnb nnc nng nni nnn nno nns no- noa nob noc nod nog noi non noo nor nos nra nrb nrc nrd nrg nri nrn nro nrr nrs nsa nsb nsc nsd nsg nsi nsn nso nsr nss o-i oaa oab oac oad oag oai oan oao oar oas ob- oba obb obc obd obg obi obn obo obr obs oc- oca ocb occ ocd ocg oci ocn oco ocr ocs oda odb odc odd odg odi odn odo odr ods oga ogc ogd ogg ogi ogn ogo ogs oia oib oic oid oii oin oio oir ois on- ona onb onc ond ong oni onn ono onr ons oo- ooa oob ooc ood oog ooi oon ooo oor oos or- ora orb orc ord org ori orn oro orr ors os- osa osb osc osd osg osi osn oso osr oss ra- raa rab rac rad rag rai ran rao rar ras rba rbb rbc rbd rbg rbi rbn rbo rbr rbs rca rcb rcc rcd rcg rci rcn rco rcr rcs rda rdb rdc rdd rdg rdi rdn rdo rdr rds rga rgb rgc rgd rgg rgi rgn rgo rgr rgs ria rib ric rid rig rii rin rio rir ris rna rnb rnc rnd rng rni rnn rno rnr rns roa rob roc rod rog roi ron roo ror ros rra rrb rrc rrd rrg rri rrn rrr rrs rsa rsb rsc rsd rsg rsi rsn rso rsr rss saa sab sac sad sag sai san sao sar sas sba sbb sbc sbd sbg sbi sbn sbo sbr sbs sca scb scc scd scg sci scn sco scr scs sda sdb sdc sdd sdg sdi sdn sdo sdr sds sga sgb sgc sgd sgg sgi sgn sgo sgr sgs sia sib sic sid sig sii sin sio sir sis sna snb snc snd sng sni snn sno snr sns soa sob soc sod sog soi son soo sor