a-a a-b a-i a-t aaa aab aad aai aan aas aat aau ab- aba abb abd abi abn abs abt abu ad- ada adb add adi adn ads adt adu ai- aia aib aid aii ain ais ait aiu an- ana anb and ani ann ans ant anu as- asa asb asd asi asn ass ast asu at- ata atb atd ati atn ats att atu au- aua aub aud aui aun aus aut b-u baa bab bad bai ban bas bat bau bba bbb bbd bbi bbn bbs bbt bbu bda bdb bdd bdi bds bdt bdu bi- bia bib bid bii bin bis bit biu bna bnb bnd bni bnn bns bnt bnu bsa bsb bsd bsi bsn bss bst bsu bta btb btd bti btn bts btt btu bua bub bud bui bun bus but buu daa dab dad dai dan das dat dau dba dbb dbd dbi dbn dbs dbt dbu dda ddb ddd ddi ddn dds ddt ddu di- dia dib did dii din dis dit diu dna dnb dnd dni dnn dns dnt dsa dsb dsd dsi dsn dss dst dsu dta dtb dtd dti dtn dts dtt dtu dua dub dud dui dun dus dut i-d ia- iaa iab iad iai ian ias iat iau iba ibb ibd ibi ibn ibs ibt ibu ida idb idd idi idn ids idt idu iia iib iid iii iin iis iit iiu in- ina inb ind ini inn ins int inu is- isa isb isd isi isn iss ist isu ita itb itd iti itn its itt itu iu- iua iub iud iui ius iut n-i naa nab nad nai nan nas nat nau nba nbb nbd nbi nbn nbs nbt nbu nda ndb ndd ndi ndn nds ndt ndu nia nib nid nii nin nis nit niu nna nnb nni nnn nns nnt nnu nsa nsb nsd nsi nsn nss nst nsu nta ntb ntd nti ntn nts ntt ntu nua nub nud nui nun nus nut nuu saa sab sad sai san sas sat sau sba sbb sbd sbi sbn sbs sbt sbu sda sdb sdd sdi sdn sds sdt sdu sia sib sid sii sin sis sit siu sna snb snd sni snn sns snt snu ss- ssa ssb ssd ssi ssn sss sst ssu sta stb std sti stn sts stt stu sua sub sud sui sun sus sut suu taa tab tad tai tan tas tat tau tba tbb tbd tbi tbn tbs tbt tbu tda tdb tdd tdi tdn tds tdt tdu tia tib tid tii tin tis tit tiu tna tnb tnd tni tnn tns tnt tsa tsb tsd tsi tsn tss tst tsu tta ttb ttd tti ttn tts ttt ttu tua tub tud tui tun tus tut tuu ua- uaa uab uad uai uan uas uat uau uba ubb ubi ubn ubs ubt ubu uda udb udd udi udn uds udt udu uia uib uid uii uin uis uit uiu un- una unb und uni unn uns unt unu usa usb usd usi usn uss ust usu uta utb utd uti utn uts utt utu uua uun uus uut uuu