-er a-a a-b a-t aaa aab aad aae aam aan aao aar aat aau ab- aba abb abd abe abm abn abo abr abt abu ad- ada adb add ade adm adn ado adr adt adu aea aeb aed aee aem aen aeo aer aet aeu ama amb amd ame amm amn amo amr amt amu an- ana anb and ane anm ann ano anr ant anu aoa aob aod aoe aom aon aoo aor aot aou ar- ara arb ard are arm arn aro arr art aru at- ata atb atd ate atm atn ato atr att atu au- aua aub aud aue aum aun auo aur aut b-u baa bab bad bae bam ban bao bar bat bau bba bbb bbd bbe bbm bbn bbo bbr bbt bbu bda bdb bdd bde bdm bdo bdr bdt bdu be- bea beb bed bee bem ben beo ber bet beu bma bmb bmd bme bmm bmn bmo bmr bmt bmu bna bnb bnd bne bnn bno bnr bnt bnu boa bob bod boe bom bon boo bor bot bou bra brb brd bre brm brn bro brr brt bru bta btb btd bte btm btn bto btr btt btu bua bub bud bue bum bun buo bur but buu daa dab dad dae dam dan dao dar dat dau dba dbb dbd dbe dbm dbn dbo dbr dbt dbu dda ddb ddd dde ddm ddn ddo ddr ddt ddu de- dea deb ded dee dem den deo der det deu dma dmb dmd dme dmm dmn dmo dmr dmt dmu dna dnb dnd dne dnm dnn dno dnr dnt doa dob dod doe dom don doo dor dot dou dra drb drd dre drm drn dro drr drt dru dta dtb dtd dte dtm dtn dto dtr dtt dtu dua dub dud due dum dun duo dur dut eaa eab ead eae eam ean eao ear eat eau eba ebb ebd ebe ebm ebn ebo ebr ebt ebu ed- eda edb edd ede edm edn edo edr edt edu eea eeb eed eee eem een eeo eer eet em- ema emb emd eme emm emn emo emr emt emu en- ena enb end ene enm enn eno enr ent enu eo- eoa eob eod eoe eom eon eoo eor eot eou era erb erd ere erm ern ero err ert eru eta etb etd ete etm etn eto etr ett etu eu- eua eub eud eue eun eur eut m-o m-r maa mab mad mae mam man mao mar mat mau mba mbb mbd mbe mbm mbo mbr mbt mbu mda mdb mdd mde mdm mdn mdo mdr mdt mdu mea meb med mee mem men meo mer met meu mma mmb mmd mme mmm mmn mmo mmr mmt mmu mna mnb mne mnm mnn mno mnr mnt mnu moa mob mod moe mom mon moo mor mot mou mra mrb mrd mre mrm mrn mro mrr mrt mru mta mtb mtd mte mtm mtn mto mtr mtt mtu mua mub mud mue mum mun mur mut muu naa nab nad nae nam nan nao nar nat nau nba nbb nbd nbe nbm nbn nbo nbr nbt nbu nda ndb ndd nde ndm ndn ndo ndr ndt ndu ne- nea neb ned nee nem nen neo ner net neu nma nmb nmd nme nmm nmn nmo nmr nmt nmu nna nnb nne nnm nnn nno nnt nnu no- noa nob nod noe nom non noo nor not nou nra nrb nrd nre nrm nrn nro nrr nrt nru nta ntb ntd nte ntm ntn nto ntr ntt ntu nua nub nud nue num nun nuo nur nut nuu oaa oab oad oae oam oan oao oar oat oau ob- oba obb obd obe obm obn obo obr obt obu oda odb odd ode odm odn odo odr odt odu oea oeb oed oee oem oen oeo oer oet om- oma omb omd ome omm omn omo omr omt omu on- ona onb ond one onn ono onr ont onu oo- ooa oob ood oom oon ooo oor oot or- ora orb ord ore orm orn oro orr ort oru ot- ota otb otd ote otm otn oto otr ott otu ou- oua oud oue oum oun ouo our out ra- raa rab rad rae ram ran rao rar rat rau rba rbb rbd rbe rbm rbn rbo rbr rbt rbu rda rdb rdd rde rdm rdn rdo rdr rdt rdu re- rea reb red ree rem ren reo rer ret reu rma rmb rmd rme rmm rmn rmo rmr rmt rna rnb rnd rnm rnn rno rnr rnt rnu roa rob rod roe rom ron roo ror rot rou rra rrb rrd rrm rrn rrr rrt rru rta rtb rtd rte rtm rtn rto rtr rtt rtu rua rub rud rue rum run ruo rur rut ruu taa tab tad tae tam tan tao tar tat tau tba tbb tbd tbe tbm tbn tbo tbr tbt tbu tda tdb tdd tde tdm tdn tdo tdr tdt tdu te- tea teb ted tee tem ten teo ter tet teu tma tmb tmd tme tmm tmn tmo tmr tmt tmu tna tnb tnd tne tnm tnn tno tnr tnt to- toa tob tod toe tom ton too tor tot tou tra trb trd tre trm trn tro trr trt tru tta ttb ttd tte ttm ttn tto ttr ttt ttu tua tub tud tue tum tun tuo tur tut tuu ua- uaa uab uad uae uam uan uao uar uat uau uba ubb ube ubn ubo ubr ubt ubu uda udb udd ude udm udn udo udr udt udu uea ueb ued uee uem uen uer uet um- uma umb umd ume umm umn umo umr umt umu un- una unb und une unm unn uno unr unt unu uoa uob uod uoe uom uon uoo uor uot ur- ura urb urd ure urm urn uro urr urt uru uta utb utd ute utm utn uto utr utt utu uua uue uum