a-a a-b a-i a-t aaa aab aad aae aai aan aao aas aat aau ab- aba abb abd abe abi abn abo abs abt abu ad- ada adb add ade adi adn ado ads adt adu aea aeb aed aee aei aen aeo aes aet aeu ai- aia aib aid aie aii ain aio ais ait aiu an- ana anb and ane ani ann ano ans ant anu aoa aob aod aoe aoi aon aoo aos aot aou as- asa asb asd ase asi asn aso ass ast asu at- ata atb atd ate ati atn ato ats att atu au- aua aub aud aue aui aun auo aus aut b-u baa bab bad bae bai ban bao bas bat bau bba bbb bbd bbe bbi bbn bbo bbs bbt bbu bda bdb bdd bde bdi bdo bds bdt bdu be- bea beb bed bee bei ben beo bes bet beu bi- bia bib bid bie bii bin bio bis bit biu bna bnb bnd bne bni bnn bno bns bnt bnu boa bob bod boe boi bon boo bos bot bou bsa bsb bsd bse bsi bsn bso bss bst bsu bta btb btd bte bti btn bto bts btt btu bua bub bud bue bui bun buo bus but buu daa dab dad dae dai dan dao das dat dau dba dbb dbd dbe dbi dbn dbo dbs dbt dbu dda ddb ddd dde ddi ddn ddo dds ddt ddu de- dea deb ded dee dei den deo des det deu di- dia dib did die dii din dio dis dit diu dna dnb dnd dne dni dnn dno dns dnt doa dob dod doe doi don doo dos dot dou dsa dsb dsd dse dsi dsn dso dss dst dsu dta dtb dtd dte dti dtn dto dts dtt dtu dua dub dud due dui dun duo dus dut eaa eab ead eae eai ean eao eas eat eau eba ebb ebd ebe ebi ebn ebo ebs ebt ebu ed- eda edb edd ede edi edn edo eds edt edu eea eeb eed eee een eeo ees eet eia eib eid eie eii ein eio eis eit eiu en- ena enb end ene eni enn eno ens ent enu eo- eoa eob eod eoe eoi eon eoo eos eot eou es- esa esb esd ese esi esn eso ess est esu eta etb etd ete eti etn eto ets ett etu eu- eua eub eud eue eui eun eus eut i-d ia- iaa iab iad iae iai ian iao ias iat iau iba ibb ibd ibe ibi ibn ibo ibs ibt ibu ida idb idd ide idi idn ido ids idt idu ie- iea ied iee iei ien ies iet iia iib iid iie iii iin iio iis iit iiu in- ina inb ind ine ini inn ino ins int inu io- ioa iob iod ioe ioi ion ioo ios iot iou is- isa isb isd ise isi isn iso iss ist isu ita itb itd ite iti itn ito its itt itu iu- iua iub iud iue iui ius iut n-i naa nab nad nae nai nan nao nas nat nau nba nbb nbd nbe nbi nbn nbo nbs nbt nbu nda ndb ndd nde ndi ndn ndo nds ndt ndu ne- nea neb ned nee nei nen neo nes net neu nia nib nid nie nii nin nio nis nit niu nna nnb nne nni nnn nno nns nnt nnu no- noa nob nod noe noi non noo nos not nou nsa nsb nsd nse nsi nsn nso nss nst nsu nta ntb ntd nte nti ntn nto nts ntt ntu nua nub nud nue nui nun nuo nus nut nuu o-i oaa oab oad oae oai oan oao oas oat oau ob- oba obb obd obe obi obn obo obs obt obu oda odb odd ode odi odn odo ods odt odu oea oeb oed oee oei oen oeo oes oet oia oib oid oie oii oin oio ois oit oiu on- ona onb ond one oni onn ono ons ont onu oo- ooa oob ood ooi oon ooo oos oot os- osa osb osd ose osi osn oso oss ost osu ot- ota otb otd ote oti otn oto ots ott otu ou- oua oud oue oui oun ouo ous out saa sab sad sae sai san sao sas sat sau sba sbb sbd sbe sbi sbn sbo sbs sbt sbu sda sdb sdd sde sdi sdn sdo sds sdt sdu se- sea seb sed see sei sen seo ses set seu sia sib sid sie sii sin sio sis sit siu sna snb snd sne sni snn sno sns snt snu soa sob sod soe soi son soo sos sot sou ss- ssa ssb ssd sse ssi ssn sso sss sst ssu sta stb std ste sti stn sto sts stt stu sua sub sud sue sui sun suo sus sut suu taa tab tad tae tai tan tao tas tat tau tba tbb tbd tbe tbi tbn tbo tbs tbt tbu tda tdb tdd tde tdi tdn tdo tds tdt tdu te- tea teb ted tee tei ten teo tes tet teu tia tib tid tie tii tin tio tis tit tiu tna tnb tnd tne tni tnn tno tns tnt to- toa tob tod toe toi ton too tos tot tou tsa tsb tsd tse tsi tsn tso tss tst tsu tta ttb ttd tte tti ttn tto tts ttt ttu tua tub tud tue tui tun tuo tus tut tuu ua- uaa uab uad uae uai uan uao uas uat uau uba ubb ube ubi ubn ubo ubs ubt ubu uda udb udd ude udi udn udo uds udt udu uea ueb ued uee uei uen ues uet uia uib uid uie uii uin uio uis uit uiu un- una unb und une uni unn uno uns unt unu uoa uob uod uoe uon uoo uos uot usa usb usd use usi usn uso uss ust usu uta utb