a-a a-b aaa aab aad aae aam aan aao aas aau ab- aba abb abd abe abm abn abo abs abu ad- ada adb add ade adm adn ado ads adu aea aeb aed aee aem aen aeo aes aeu ama amb amd ame amm amn amo ams amu an- ana anb and ane anm ann ano ans anu aoa aob aod aoe aom aon aoo aos aou as- asa asb asd ase asm asn aso ass asu au- aua aub aud aue aum aun auo aus b-u baa bab bad bae bam ban bao bas bau bba bbb bbd bbe bbm bbn bbo bbs bbu bda bdb bdd bde bdm bdo bds bdu be- bea beb bed bee bem ben beo bes beu bma bmb bmd bme bmm bmn bmo bms bmu bna bnb bnd bne bnn bno bns bnu boa bob bod boe bom bon boo bos bou bsa bsb bsd bse bsm bsn bso bss bsu bua bub bud bue bum bun buo bus buu daa dab dad dae dam dan dao das dau dba dbb dbd dbe dbm dbn dbo dbs dbu dda ddb ddd dde ddm ddn ddo dds ddu de- dea deb ded dee dem den deo des deu dma dmb dmd dme dmm dmn dmo dms dmu dna dnb dnd dne dnm dnn dno dns doa dob dod doe dom don doo dos dou dsa dsb dsd dse dsm dsn dso dss dsu dua dub dud due dum dun duo dus eaa eab ead eae eam ean eao eas eau eba ebb ebd ebe ebm ebn ebo ebs ebu ed- eda edb edd ede edm edn edo eds edu eea eeb eed eee eem een eeo ees em- ema emb emd eme emm emn emo ems emu en- ena enb end ene enm enn eno ens enu eo- eoa eob eod eoe eom eon eoo eos eou es- esa esb esd ese esm esn eso ess esu eu- eua eub eud eue eun eus m-o maa mab mad mae mam man mao mas mau mba mbb mbd mbe mbm mbo mbs mbu mda mdb mdd mde mdm mdn mdo mds mdu mea meb med mee mem men meo mes meu mma mmb mmd mme mmm mmn mmo mms mmu mna mnb mne mnm mnn mno mns mnu moa mob mod moe mom mon moo mos mou msa msb msd mse msm msn mso mss msu mua mub mud mue mum mun mus muu naa nab nad nae nam nan nao nas nau nba nbb nbd nbe nbm nbn nbo nbs nbu nda ndb ndd nde ndm ndn ndo nds ndu ne- nea neb ned nee nem nen neo nes neu nma nmb nmd nme nmm nmn nmo nms nmu nna nnb nne nnm nnn nno nns nnu no- noa nob nod noe nom non noo nos nou nsa nsb nsd nse nsm nsn nso nss nsu nua nub nud nue num nun nuo nus nuu oaa oab oad oae oam oan oao oas oau ob- oba obb obd obe obm obn obo obs obu oda odb odd ode odm odn odo ods odu oea oeb oed oee oem oen oeo oes om- oma omb omd ome omm omn omo oms omu on- ona onb ond one onn ono ons onu oo- ooa oob ood oom oon ooo oos os- osa osb osd ose osm osn oso oss osu ou- oua oud oue oum oun ouo ous saa sab sad sae sam san sao sas sau sba sbb sbd sbe sbm sbn sbo sbs sbu sda sdb sdd sde sdm sdn sdo sds sdu se- sea seb sed see sem sen seo ses seu sma smb smd sme smm smn smo sms smu sna snb snd sne snm snn sno sns snu soa sob sod soe som son soo sos sou ss- ssa ssb ssd sse ssm ssn sso sss ssu sua sub sud sue sum sun suo sus suu ua- uaa uab uad uae uam uan uao uas uau uba ubb ube ubn ubo ubs ubu uda udb udd ude udm udn udo uds udu uea ueb ued uee uem uen ues um- uma umb umd ume umm umn umo ums umu un- una unb und une unm unn uno uns unu uoa uob uod uoe uom uon uoo uos usa usb usd use usm usn uso uss usu uua uue uum uun uus uuu