a-a a-b a-i aaa aab aad aai aak aam aan aao aas ab- aba abb abd abi abk abm abn abo abs ad- ada adb add adi adk adm adn ado ads ai- aia aib aid aii aik aim ain aio ais aka akb akd aki akk akm akn ako aks ama amb amd ami amk amm amn amo ams an- ana anb and ani ank anm ann ano ans aoa aob aod aoi aok aom aon aoo aos as- asa asb asd asi ask asm asn aso ass baa bab bad bai bak bam ban bao bas bba bbb bbd bbi bbk bbm bbn bbo bbs bda bdb bdd bdi bdk bdm bdo bds bi- bia bib bid bii bik bim bin bio bis bka bkb bkk bkm bkn bko bks bma bmb bmd bmi bmk bmm bmn bmo bms bna bnb bnd bni bnk bnn bno bns boa bob bod boi bok bom bon boo bos bsa bsb bsd bsi bsk bsm bsn bso bss daa dab dad dai dak dam dan dao das dba dbb dbd dbi dbk dbm dbn dbo dbs dda ddb ddd ddi ddk ddm ddn ddo dds di- dia dib did dii dik dim din dio dis dka dkb dki dkk dkm dko dks dma dmb dmd dmi dmk dmm dmn dmo dms dna dnb dnd dni dnk dnm dnn dno dns doa dob dod doi dok dom don doo dos dsa dsb dsd dsi dsk dsm dsn dso dss i-d ia- iaa iab iad iai iam ian iao ias iba ibb ibd ibi ibk ibm ibn ibo ibs ida idb idd idi idk idm idn ido ids iia iib iid iii iim iin iio iis ika ikb iki ikk iko iks im- ima imb imd imi imm imn imo ims in- ina inb ind ini ink inm inn ino ins io- ioa iob iod ioi iom ion ioo ios is- isa isb isd isi isk ism isn iso iss ka- kaa kab kad kai kak kam kan kao kas kba kbb kbd kbi kbk kbm kbn kbo kbs kda kdb kdk kdm kdo kds kia kib kid kii kik kim kin kio kis kkb kki kkk kkm kkn kks kma kmb kmd kmi kmk kmm kmo kms kn- kna knd kni knk knm knn kno koa kob kod koi kok kom kon koo kos ksa ksb ksd ksi ksk ksm ksn kso kss m-o maa mab mad mai mak mam man mao mas mba mbb mbd mbi mbk mbm mbo mbs mda mdb mdd mdi mdk mdm mdn mdo mds mi- mia mib mid mii mik mim min mio mis mka mkb mkd mkk mkm mkn mko mks mma mmb mmd mmi mmk mmm mmn mmo mms mna mnb mni mnk mnm mnn mno mns moa mob mod moi mok mom mon moo mos msa msb msd msi msk msm msn mso mss n-i naa nab nad nai nak nam nan nao nas nba nbb nbd nbi nbk nbm nbn nbo nbs nda ndb ndd ndi ndk ndm ndn ndo nds nia nib nid nii nik nim nin nio nis nka nki nkk nkm nkn nko nks nma nmb nmd nmi nmk nmm nmn nmo nms nna nnb nni nnk nnm nnn nno nns no- noa nob nod noi nok nom non noo nos nsa nsb nsd nsi nsk nsm nsn nso nss o-i oaa oab oad oai oak oam oan oao oas ob- oba obb obd obi obk obm obn obo obs oda odb odd odi odm odn odo ods oia oib oid oii oik oim oin oio ois oka okb okd oki okk oko oks om- oma omb omd omi omm omn omo oms on- ona onb ond oni onk onn ono ons oo- ooa oob ood ooi ook oom oon ooo oos os- osa osb osd osi osk osm osn oso oss saa sab sad sai sak sam san sao sas sba sbb sbd sbi sbk sbm sbn sbo sbs sda sdb sdd sdi sdk sdm sdn sdo sds sia sib sid sii sik sim sin sio sis sk- ska skb skd ski skk skm sko sks sma smb smd smi smk smm smn smo sms sna snb snd sni snk snm snn sno sns soa sob sod soi sok som son soo sos ss- ssa ssb ssd ssi ssk ssm ssn sso sss