a-a a-b a-i aaa aab aad aai aak aan aas aau ab- aba abb abd abi abk abn abs abu ad- ada adb add adi adk adn ads adu ai- aia aib aid aii aik ain ais aiu aka akb akd aki akk akn aks aku an- ana anb and ani ank ann ans anu as- asa asb asd asi ask asn ass asu au- aua aub aud aui auk aun aus b-u baa bab bad bai bak ban bas bau bba bbb bbd bbi bbk bbn bbs bbu bda bdb bdd bdi bdk bds bdu bi- bia bib bid bii bik bin bis biu bka bkb bkk bkn bks bna bnb bnd bni bnk bnn bns bnu bsa bsb bsd bsi bsk bsn bss bsu bua bub bud bui buk bun bus buu daa dab dad dai dak dan das dau dba dbb dbd dbi dbk dbn dbs dbu dda ddb ddd ddi ddk ddn dds ddu di- dia dib did dii dik din dis diu dka dkb dki dkk dks dku dna dnb dnd dni dnk dnn dns dsa dsb dsd dsi dsk dsn dss dsu dua dub dud dui duk dun dus i-d ia- iaa iab iad iai ian ias iau iba ibb ibd ibi ibk ibn ibs ibu ida idb idd idi idk idn ids idu iia iib iid iii iin iis iiu ika ikb iki ikk iks iku in- ina inb ind ini ink inn ins inu is- isa isb isd isi isk isn iss isu iu- iua iub iud iui ius ka- kaa kab kad kai kak kan kas kau kba kbb kbd kbi kbk kbn kbs kbu kda kdb kdk kds kdu kia kib kid kii kik kin kis kiu kkb kki kkk kkn kks kku kn- kna knd kni knk knn knu ksa ksb ksd ksi ksk ksn kss ksu kub kud kui kuk kun kus kuu n-i naa nab nad nai nak nan nas nau nba nbb nbd nbi nbk nbn nbs nbu nda ndb ndd ndi ndk ndn nds ndu nia nib nid nii nik nin nis niu nka nki nkk nkn nks nku nna nnb nni nnk nnn nns nnu nsa nsb nsd nsi nsk nsn nss nsu nua nub nud nui nuk nun nus nuu saa sab sad sai sak san sas sau sba sbb sbd sbi sbk sbn sbs sbu sda sdb sdd sdi sdk sdn sds sdu sia sib sid sii sik sin sis siu sk- ska skb skd ski skk sks sku sna snb snd sni snk snn sns snu ss- ssa ssb ssd ssi ssk ssn sss ssu sua sub sud sui suk sun sus suu ua- uaa uab uad uai uak uan uas uau uba ubb ubi ubk ubn ubs ubu uda udb udd udi udk udn uds udu uia uib uid uii uin uis uiu uka ukb uki ukk ukn uku un- una unb und uni unk unn uns unu usa usb usd usi usk usn uss usu uua uun uus uuu