a-a a-b a-i aaa aab aad aae aai aan aao aas aau ab- aba abb abd abe abi abn abo abs abu ad- ada adb add ade adi adn ado ads adu aea aeb aed aee aei aen aeo aes aeu ai- aia aib aid aie aii ain aio ais aiu an- ana anb and ane ani ann ano ans anu aoa aob aod aoe aoi aon aoo aos aou as- asa asb asd ase asi asn aso ass asu au- aua aub aud aue aui aun auo aus b-u baa bab bad bae bai ban bao bas bau bba bbb bbd bbe bbi bbn bbo bbs bbu bda bdb bdd bde bdi bdo bds bdu be- bea beb bed bee bei ben beo bes beu bi- bia bib bid bie bii bin bio bis biu bna bnb bnd bne bni bnn bno bns bnu boa bob bod boe boi bon boo bos bou bsa bsb bsd bse bsi bsn bso bss bsu bua bub bud bue bui bun buo bus buu daa dab dad dae dai dan dao das dau dba dbb dbd dbe dbi dbn dbo dbs dbu dda ddb ddd dde ddi ddn ddo dds ddu de- dea deb ded dee dei den deo des deu di- dia dib did die dii din dio dis diu dna dnb dnd dne dni dnn dno dns doa dob dod doe doi don doo dos dou dsa dsb dsd dse dsi dsn dso dss dsu dua dub dud due dui dun duo dus eaa eab ead eae eai ean eao eas eau eba ebb ebd ebe ebi ebn ebo ebs ebu ed- eda edb edd ede edi edn edo eds edu eea eeb eed eee een eeo ees eia eib eid eie eii ein eio eis eiu en- ena enb end ene eni enn eno ens enu eo- eoa eob eod eoe eoi eon eoo eos eou es- esa esb esd ese esi esn eso ess esu eu- eua eub eud eue eui eun eus i-d ia- iaa iab iad iae iai ian iao ias iau iba ibb ibd ibe ibi ibn ibo ibs ibu ida idb idd ide idi idn ido ids idu ie- iea ied iee iei ien ies iia iib iid iie iii iin iio iis iiu in- ina inb ind ine ini inn ino ins inu io- ioa iob iod ioe ioi ion ioo ios iou is- isa isb isd ise isi isn iso iss isu iu- iua iub iud iue iui ius n-i naa nab nad nae nai nan nao nas nau nba nbb nbd nbe nbi nbn nbo nbs nbu nda ndb ndd nde ndi ndn ndo nds ndu ne- nea neb ned nee nei nen neo nes neu nia nib nid nie nii nin nio nis niu nna nnb nne nni nnn nno nns nnu no- noa nob nod noe noi non noo nos nou nsa nsb nsd nse nsi nsn nso nss nsu nua nub nud nue nui nun nuo nus nuu o-i oaa oab oad oae oai oan oao oas oau ob- oba obb obd obe obi obn obo obs obu oda odb odd ode odi odn odo ods odu oea oeb oed oee oei oen oeo oes oia oib oid oie oii oin oio ois oiu on- ona onb ond one oni onn ono ons onu oo- ooa oob ood ooi oon ooo oos os- osa osb osd ose osi osn oso oss osu ou- oua oud oue oui oun ouo ous saa sab sad sae sai san sao sas sau sba sbb sbd sbe sbi sbn sbo sbs sbu sda sdb sdd sde sdi sdn sdo sds sdu se- sea seb sed see sei sen seo ses seu sia sib sid sie sii sin sio sis siu sna snb snd sne sni snn sno sns snu soa sob sod soe soi son soo sos sou ss- ssa ssb ssd sse ssi ssn sso sss ssu sua sub sud sue sui sun suo sus suu ua- uaa uab uad uae uai uan uao uas uau uba ubb ube ubi ubn ubo ubs ubu uda udb udd ude udi udn udo uds udu uea ueb ued uee uei uen ues uia uib uid uie uii uin uio uis uiu un- una unb und une uni unn uno uns unu uoa uob uod uoe uon uoo uos usa usb usd use usi usn uso uss usu uua uue uun uus uuu