a-a a-b a-i aaa aab aad aah aai aan aao aas ab- aba abb abd abh abi abn abo abs ad- ada adb add adh adi adn ado ads aha ahb ahd ahh ahi ahn aho ahs ai- aia aib aid aih aii ain aio ais an- ana anb and anh ani ann ano ans aoa aob aod aoh aoi aon aoo aos as- asa asb asd ash asi asn aso ass baa bab bad bah bai ban bao bas bba bbb bbd bbh bbi bbn bbo bbs bda bdb bdd bdh bdi bdo bds bha bhb bhd bhh bhi bho bhs bi- bia bib bid bih bii bin bio bis bna bnb bnd bni bnn bno bns boa bob bod boh boi bon boo bos bsa bsb bsd bsh bsi bsn bso bss daa dab dad dah dai dan dao das dba dbb dbd dbh dbi dbn dbo dbs dda ddb ddd ddh ddi ddn ddo dds dh- dha dhb dhd dhh dhi dho dhs di- dia dib did dih dii din dio dis dna dnb dnd dnh dni dnn dno dns doa dob dod doh doi don doo dos dsa dsb dsd dsh dsi dsn dso dss h-i haa hab had hah hai han hao has hba hbb hbd hbh hbi hbn hbo hbs hda hdb hdd hdh hdi hdn hdo hds hha hhb hhd hhh hhi hhn hho hhs hia hib hid hih hii hin hio his hna hnb hnd hnh hnn hno hns hoa hob hod hoh hoi hon hoo hos hsa hsb hsd hsh hsi hsn hss i-d ia- iaa iab iad iah iai ian iao ias iba ibb ibd ibh ibi ibn ibo ibs ida idb idd idh idi idn ido ids iha ihb ihd ihh ihi ihn iho ihs iia iib iid iih iii iin iio iis in- ina inb ind inh ini inn ino ins io- ioa iob iod ioh ioi ion ioo ios is- isa isb isd ish isi isn iso iss n-i naa nab nad nah nai nan nao nas nba nbb nbd nbi nbn nbo nbs nda ndb ndd ndh ndi ndn ndo nds nha nhb nhd nhh nhi nhn nhs nia nib nid nih nii nin nio nis nna nnb nnh nni nnn nno nns no- noa nob nod noh noi non noo nos nsa nsb nsd nsh nsi nsn nso nss o-i oaa oab oad oah oai oan oao oas ob- oba obb obd obh obi obn obo obs oda odb odd odh odi odn odo ods oha ohd ohh ohi ohn oho ohs oia oib oid oii oin oio ois on- ona onb ond onh oni onn ono ons oo- ooa oob ood ooh ooi oon ooo oos os- osa osb osd osh osi osn oso oss saa sab sad sah sai san sao sas sba sbb sbd sbh sbi sbn sbo sbs sda sdb sdd sdh sdi sdn sdo sds sh- sha shb shd shh shi shn sho shs sia sib sid sih sii sin sio sis sna snb snd sni snn sno sns soa sob sod soh soi son soo sos ss- ssa ssb ssd ssh ssi ssn sso sss