a-a a-b a-i aaa aab aad aag aai aan aao aas ab- aba abb abd abg abi abn abo abs ad- ada adb add adg adi adn ado ads ag- aga agb agd agg agi agn ago ags ai- aia aib aid aig aii ain aio ais an- ana anb and ang ani ann ano ans aoa aob aod aog aoi aon aoo aos as- asa asb asd asg asi asn aso ass baa bab bad bag bai ban bao bas bba bbb bbd bbg bbi bbn bbo bbs bda bdb bdd bdg bdi bdo bds bga bgb bgd bgg bgi bgn bgo bgs bi- bia bib bid big bii bin bio bis bna bnb bnd bng bni bnn bno bns boa bob bod bog boi bon boo bos bsa bsb bsd bsg bsi bsn bso bss daa dab dad dag dai dan dao das dba dbb dbd dbg dbi dbn dbo dbs dda ddb ddd ddg ddi ddn ddo dds dga dgd dgg dgi dgn dgs di- dia dib did dig dii din dio dis dna dnb dnd dng dni dnn dno dns doa dob dod dog doi don doo dos dsa dsb dsd dsg dsi dsn dso dss g-d gaa gab gad gag gai gan gao gas gba gbd gbg gbi gbn gbo gbs gda gdb gdd gdi gdn gdo gds gga ggb ggd ggg ggi ggn ggo ggs gia gib gid gig gii gin gio gis gna gnb gnd gni gnn gno gns goa gob god gog goi gon goo gos gsa gsb gsd gsg gsi gsn gso gss i-d ia- iaa iab iad iag iai ian iao ias iba ibb ibd ibg ibi ibn ibo ibs ida idb idd idg idi idn ido ids iga igb igd igg igi ign igo igs iia iib iid iii iin iio iis in- ina inb ind ing ini inn ino ins io- ioa iob iod iog ioi ion ioo ios is- isa isb isd isg isi isn iso iss n-i naa nab nad nag nai nan nao nas nba nbb nbd nbg nbi nbn nbo nbs nda ndb ndd ndg ndi ndn ndo nds nga ngb ngd ngg ngi ngn ngo ngs nia nib nid nig nii nin nio nis nna nnb nng nni nnn nno nns no- noa nob nod nog noi non noo nos nsa nsb nsd nsg nsi nsn nso nss o-i oaa oab oad oag oai oan oao oas ob- oba obb obd obg obi obn obo obs oda odb odd odg odi odn odo ods oga ogd ogg ogi ogn ogo ogs oia oib oid oii oin oio ois on- ona onb ond ong oni onn ono ons oo- ooa oob ood oog ooi oon ooo oos os- osa osb osd osg osi osn oso oss saa sab sad sag sai san sao sas sba sbb sbd sbg sbi sbn sbo sbs sda sdb sdd sdg sdi sdn sdo sds sga sgb sgd sgg sgi sgn sgo sgs sia sib sid sig sii sin sio sis sna snb snd sng sni snn sno sns soa sob sod sog soi son soo sos ss- ssa ssb ssd ssg ssi ssn sso sss