a-a a-b a-i aaa aab aad aai aan aao aas aau ab- aba abb abd abi abn abo abs abu ad- ada adb add adi adn ado ads adu ai- aia aib aid aii ain aio ais aiu an- ana anb and ani ann ano ans anu aoa aob aod aoi aon aoo aos aou as- asa asb asd asi asn aso ass asu au- aua aub aud aui aun auo aus b-u baa bab bad bai ban bao bas bau bba bbb bbd bbi bbn bbo bbs bbu bda bdb bdd bdi bdo bds bdu bi- bia bib bid bii bin bio bis biu bna bnb bnd bni bnn bno bns bnu boa bob bod boi bon boo bos bou bsa bsb bsd bsi bsn bso bss bsu bua bub bud bui bun buo bus buu daa dab dad dai dan dao das dau dba dbb dbd dbi dbn dbo dbs dbu dda ddb ddd ddi ddn ddo dds ddu di- dia dib did dii din dio dis diu dna dnb dnd dni dnn dno dns doa dob dod doi don doo dos dou dsa dsb dsd dsi dsn dso dss dsu dua dub dud dui dun duo dus i-d ia- iaa iab iad iai ian iao ias iau iba ibb ibd ibi ibn ibo ibs ibu ida idb idd idi idn ido ids idu iia iib iid iii iin iio iis iiu in- ina inb ind ini inn ino ins inu io- ioa iob iod ioi ion ioo ios iou is- isa isb isd isi isn iso iss isu iu- iua iub iud iui ius n-i naa nab nad nai nan nao nas nau nba nbb nbd nbi nbn nbo nbs nbu nda ndb ndd ndi ndn ndo nds ndu nia nib nid nii nin nio nis niu nna nnb nni nnn nno nns nnu no- noa nob nod noi non noo nos nou nsa nsb nsd nsi nsn nso nss nsu nua nub nud nui nun nuo nus nuu o-i oaa oab oad oai oan oao oas oau ob- oba obb obd obi obn obo obs obu oda odb odd odi odn odo ods odu oia oib oid oii oin oio ois oiu on- ona onb ond oni onn ono ons onu oo- ooa oob ood ooi oon ooo oos os- osa osb osd osi osn oso oss osu ou- oua oud oui oun ouo ous saa sab sad sai san sao sas sau sba sbb sbd sbi sbn sbo sbs sbu sda sdb sdd sdi sdn sdo sds sdu sia sib sid sii sin sio sis siu sna snb snd sni snn sno sns snu soa sob sod soi son soo sos sou ss- ssa ssb ssd ssi ssn sso sss ssu sua sub sud sui sun suo sus suu ua- uaa uab uad uai uan uao uas uau uba ubb ubi ubn ubo ubs ubu uda udb udd udi udn udo uds udu uia uib uid uii uin uio uis uiu un- una unb und uni unn uno uns unu uoa uob uod uon uoo uos usa usb usd usi usn uso uss usu uua uun uus uuu