a-a a-b aaa aab aad aae aam aan aao aau ab- aba abb abd abe abm abn abo abu ad- ada adb add ade adm adn ado adu aea aeb aed aee aem aen aeo aeu ama amb amd ame amm amn amo amu an- ana anb and ane anm ann ano anu aoa aob aod aoe aom aon aoo aou au- aua aub aud aue aum aun auo b-u baa bab bad bae bam ban bao bau bba bbb bbd bbe bbm bbn bbo bbu bda bdb bdd bde bdm bdo bdu be- bea beb bed bee bem ben beo beu bma bmb bmd bme bmm bmn bmo bmu bna bnb bnd bne bnn bno bnu boa bob bod boe bom bon boo bou bua bub bud bue bum bun buo buu daa dab dad dae dam dan dao dau dba dbb dbd dbe dbm dbn dbo dbu dda ddb ddd dde ddm ddn ddo ddu de- dea deb ded dee dem den deo deu dma dmb dmd dme dmm dmn dmo dmu dna dnb dnd dne dnm dnn dno doa dob dod doe dom don doo dou dua dub dud due dum dun duo eaa eab ead eae eam ean eao eau eba ebb ebd ebe ebm ebn ebo ebu ed- eda edb edd ede edm edn edo edu eea eeb eed eee eem een eeo em- ema emb emd eme emm emn emo emu en- ena enb end ene enm enn eno enu eo- eoa eob eod eoe eom eon eoo eou eu- eua eub eud eue eun m-o maa mab mad mae mam man mao mau mba mbb mbd mbe mbm mbo mbu mda mdb mdd mde mdm mdn mdo mdu mea meb med mee mem men meo meu mma mmb mmd mme mmm mmn mmo mmu mna mnb mne mnm mnn mno mnu moa mob mod moe mom mon moo mou mua mub mud mue mum mun muu naa nab nad nae nam nan nao nau nba nbb nbd nbe nbm nbn nbo nbu nda ndb ndd nde ndm ndn ndo ndu ne- nea neb ned nee nem nen neo neu nma nmb nmd nme nmm nmn nmo nmu nna nnb nne nnm nnn nno nnu no- noa nob nod noe nom non noo nou nua nub nud nue num nun nuo nuu oaa oab oad oae oam oan oao oau ob- oba obb obd obe obm obn obo obu oda odb odd ode odm odn odo odu oea oeb oed oee oem oen oeo om- oma omb omd ome omm omn omo omu on- ona onb ond one onn ono onu oo- ooa oob ood oom oon ooo ou- oua oud oue oum oun ouo ua- uaa uab uad uae uam uan uao uau uba ubb ube ubn ubo ubu uda udb udd ude udm udn udo udu uea ueb ued uee uem uen um- uma umb umd ume umm umn umo umu un- una unb und une unm unn uno unu uoa uob uod uoe uom uon uoo uua uue uum uun uuu