a-a a-b a-t aaa aab aad aae aam aan aao aat aau ab- aba abb abd abe abm abn abo abt abu ad- ada adb add ade adm adn ado adt adu aea aeb aed aee aem aen aeo aet aeu ama amb amd ame amm amn amo amt amu an- ana anb and ane anm ann ano ant anu aoa aob aod aoe aom aon aoo aot aou at- ata atb atd ate atm atn ato att atu au- aua aub aud aue aum aun auo aut b-u baa bab bad bae bam ban bao bat bau bba bbb bbd bbe bbm bbn bbo bbt bbu bda bdb bdd bde bdm bdo bdt bdu be- bea beb bed bee bem ben beo bet beu bma bmb bmd bme bmm bmn bmo bmt bmu bna bnb bnd bne bnn bno bnt bnu boa bob bod boe bom bon boo bot bou bta btb btd bte btm btn bto btt btu bua bub bud bue bum bun buo but buu daa dab dad dae dam dan dao dat dau dba dbb dbd dbe dbm dbn dbo dbt dbu dda ddb ddd dde ddm ddn ddo ddt ddu de- dea deb ded dee dem den deo det deu dma dmb dmd dme dmm dmn dmo dmt dmu dna dnb dnd dne dnm dnn dno dnt doa dob dod doe dom don doo dot dou dta dtb dtd dte dtm dtn dto dtt dtu dua dub dud due dum dun duo dut eaa eab ead eae eam ean eao eat eau eba ebb ebd ebe ebm ebn ebo ebt ebu ed- eda edb edd ede edm edn edo edt edu eea eeb eed eee eem een eeo eet em- ema emb emd eme emm emn emo emt emu en- ena enb end ene enm enn eno ent enu eo- eoa eob eod eoe eom eon eoo eot eou eta etb etd ete etm etn eto ett etu eu- eua eub eud eue eun eut m-o maa mab mad mae mam man mao mat mau mba mbb mbd mbe mbm mbo mbt mbu mda mdb mdd mde mdm mdn mdo mdt mdu mea meb med mee mem men meo met meu mma mmb mmd mme mmm mmn mmo mmt mmu mna mnb mne mnm mnn mno mnt mnu moa mob mod moe mom mon moo mot mou mta mtb mtd mte mtm mtn mto mtt mtu mua mub mud mue mum mun mut muu naa nab nad nae nam nan nao nat nau nba nbb nbd nbe nbm nbn nbo nbt nbu nda ndb ndd nde ndm ndn ndo ndt ndu ne- nea neb ned nee nem nen neo net neu nma nmb nmd nme nmm nmn nmo nmt nmu nna nnb nne nnm nnn nno nnt nnu no- noa nob nod noe nom non noo not nou nta ntb ntd nte ntm ntn nto ntt ntu nua nub nud nue num nun nuo nut nuu oaa oab oad oae oam oan oao oat oau ob- oba obb obd obe obm obn obo obt obu oda odb odd ode odm odn odo odt odu oea oeb oed oee oem oen oeo oet om- oma omb omd ome omm omn omo omt omu on- ona onb ond one onn ono ont onu oo- ooa oob ood oom oon ooo oot ot- ota otb otd ote otm otn oto ott otu ou- oua oud oue oum oun ouo out taa tab tad tae tam tan tao tat tau tba tbb tbd tbe tbm tbn tbo tbt tbu tda tdb tdd tde tdm tdn tdo tdt tdu te- tea teb ted tee tem ten teo tet teu tma tmb tmd tme tmm tmn tmo tmt tmu tna tnb tnd tne tnm tnn tno tnt to- toa tob tod toe tom ton too tot tou tta ttb ttd tte ttm ttn tto ttt ttu tua tub tud tue tum tun tuo tut tuu ua- uaa uab uad uae uam uan uao uat uau uba ubb ube ubn ubo ubt ubu uda udb udd ude udm udn udo udt udu uea ueb ued uee uem uen uet um- uma umb umd ume umm umn umo umt umu un- una unb und une unm unn uno unt unu uoa uob uod uoe uom uon uoo uot uta utb utd ute utm utn uto utt utu uua uue uum uun uut uuu