a-a a-b a-i aaa aab aad aai aam aan aao aas ab- aba abb abd abi abm abn abo abs ad- ada adb add adi adm adn ado ads ai- aia aib aid aii aim ain aio ais ama amb amd ami amm amn amo ams an- ana anb and ani anm ann ano ans aoa aob aod aoi aom aon aoo aos as- asa asb asd asi asm asn aso ass baa bab bad bai bam ban bao bas bba bbb bbd bbi bbm bbn bbo bbs bda bdb bdd bdi bdm bdo bds bi- bia bib bid bii bim bin bio bis bma bmb bmd bmi bmm bmn bmo bms bna bnb bnd bni bnn bno bns boa bob bod boi bom bon boo bos bsa bsb bsd bsi bsm bsn bso bss daa dab dad dai dam dan dao das dba dbb dbd dbi dbm dbn dbo dbs dda ddb ddd ddi ddm ddn ddo dds di- dia dib did dii dim din dio dis dma dmb dmd dmi dmm dmn dmo dms dna dnb dnd dni dnm dnn dno dns doa dob dod doi dom don doo dos dsa dsb dsd dsi dsm dsn dso dss i-d ia- iaa iab iad iai iam ian iao ias iba ibb ibd ibi ibm ibn ibo ibs ida idb idd idi idm idn ido ids iia iib iid iii iim iin iio iis im- ima imb imd imi imm imn imo ims in- ina inb ind ini inm inn ino ins io- ioa iob iod ioi iom ion ioo ios is- isa isb isd isi ism isn iso iss m-o maa mab mad mai mam man mao mas mba mbb mbd mbi mbm mbo mbs mda mdb mdd mdi mdm mdn mdo mds mi- mia mib mid mii mim min mio mis mma mmb mmd mmi mmm mmn mmo mms mna mnb mni mnm mnn mno mns moa mob mod moi mom mon moo mos msa msb msd msi msm msn mso mss n-i naa nab nad nai nam nan nao nas nba nbb nbd nbi nbm nbn nbo nbs nda ndb ndd ndi ndm ndn ndo nds nia nib nid nii nim nin nio nis nma nmb nmd nmi nmm nmn nmo nms nna nnb nni nnm nnn nno nns no- noa nob nod noi nom non noo nos nsa nsb nsd nsi nsm nsn nso nss o-i oaa oab oad oai oam oan oao oas ob- oba obb obd obi obm obn obo obs oda odb odd odi odm odn odo ods oia oib oid oii oim oin oio ois om- oma omb omd omi omm omn omo oms on- ona onb ond oni onn ono ons oo- ooa oob ood ooi oom oon ooo oos os- osa osb osd osi osm osn oso oss saa sab sad sai sam san sao sas sba sbb sbd sbi sbm sbn sbo sbs sda sdb sdd sdi sdm sdn sdo sds sia sib sid sii sim sin sio sis sma smb smd smi smm smn smo sms sna snb snd sni snm snn sno sns soa sob sod soi som son soo sos ss- ssa ssb ssd ssi ssm ssn sso sss