-er a-a a-b a-i aaa aab aad aae aai aam aao aar aau ab- aba abb abd abe abi abm abo abr abu ad- ada adb add ade adi adm ado adr adu aea aeb aed aee aei aem aeo aer aeu ai- aia aib aid aie aii aim aio air aiu ama amb amd ame ami amm amo amr amu aoa aob aod aoe aoi aom aoo aor aou ar- ara arb ard are ari arm aro arr aru au- aua aub aud aue aui aum auo aur b-u baa bab bad bae bai bam bao bar bau bba bbb bbd bbe bbi bbm bbo bbr bbu bda bdb bdd bde bdi bdm bdo bdr bdu be- bea beb bed bee bei bem beo ber beu bi- bia bib bid bie bii bim bio bir biu bma bmb bmd bme bmi bmm bmo bmr bmu boa bob bod boe boi bom boo bor bou bra brb brd bre bri brm bro brr bru bua bub bud bue bui bum buo bur buu daa dab dad dae dai dam dao dar dau dba dbb dbd dbe dbi dbm dbo dbr dbu dda ddb ddd dde ddi ddm ddo ddr ddu de- dea deb ded dee dei dem deo der deu di- dia dib did die dii dim dio dir diu dma dmb dmd dme dmi dmm dmo dmr dmu doa dob dod doe doi dom doo dor dou dra drb drd dre dri drm dro drr dru dua dub dud due dui dum duo dur eaa eab ead eae eai eam eao ear eau eba ebb ebd ebe ebi ebm ebo ebr ebu ed- eda edb edd ede edi edm edo edr edu eea eeb eed eee eem eeo eer eia eib eid eie eii eim eio eir eiu em- ema emb emd eme emi emm emo emr emu eo- eoa eob eod eoe eoi eom eoo eor eou era erb erd ere eri erm ero err eru eu- eua eub eud eue eui eur i-d ia- iaa iab iad iae iai iam iao iar iau iba ibb ibd ibe ibi ibm ibo ibr ibu ida idb idd ide idi idm ido idr idu ie- iea ied iee iei iem ier iia iib iid iie iii iim iio iir iiu im- ima imb imd ime imi imm imo imu io- ioa iob iod ioe ioi iom ioo ior iou ir- ira irb ird ire iri irm iro irr iru iu- iua iub iud iue iui ium iur m-o m-r maa mab mad mae mai mam mao mar mau mba mbb mbd mbe mbi mbm mbo mbr mbu mda mdb mdd mde mdi mdm mdo mdr mdu mea meb med mee mei mem meo mer meu mi- mia mib mid mie mii mim mio mir miu mma mmb mmd mme mmi mmm mmo mmr mmu moa mob mod moe moi mom moo mor mou mra mrb mrd mre mri mrm mro mrr mru mua mub mud mue mui mum mur muu o-i oaa oab oad oae oai oam oao oar oau ob- oba obb obd obe obi obm obo obr obu oda odb odd ode odi odm odo odr odu oea oeb oed oee oei oem oeo oer oia oib oid oie oii oim oio oir oiu om- oma omb omd ome omi omm omo omr omu oo- ooa oob ood ooi oom ooo oor or- ora orb ord ore ori orm oro orr oru ou- oua oud oue oui oum ouo our ra- raa rab rad rae rai ram rao rar rau rba rbb rbd rbe rbi rbm rbo rbr rbu rda rdb rdd rde rdi rdm rdo rdr rdu re- rea reb red ree rei rem reo rer reu ria rib rid rie rii rim rio rir rma rmb rmd rme rmi rmm rmo rmr roa rob rod roe roi rom roo ror rou rra rrb rrd rri rrm rrr rru rua rub rud rue rui rum ruo rur ruu ua- uaa uab uad uae uai uam uao uar uau uba ubb ube ubi ubo ubr ubu uda udb udd ude udi udm udo udr udu uea ueb ued uee uei uem uer uia uib uid uie uii uim uio uir uiu um- uma umb umd ume umi umm umo umr umu uoa uob uod uoe uom uoo uor ur- ura urb urd ure uri urm uro urr uru uua uue uum uur uuu

a-be a-do a-ii aaaa aaab aaad aaae aaai aaam aaar aaba aabb aabd aabi aabm aada aade aadi aadu aaea aaem aaib aaii aama aamb aamd aame aami aamo aamr aaoe aaoo aara aard aare aari aarm aaro aaru abaa abab abad abae abai abam abar abau abb- abba abbb abbe abbi abbo abbr abda abdi abdo abdu abed abee aber abia abib abid abie abim abir abiu abma abmb aboa abob abod aboo abor abou abra abri abro abua abud abue abum adaa adab adad adae adai adam adao adar adba adbi adda addd adde addi addo addr addu adea adeb adee adem adeo ader adia adib adie adim adio adir adma admb adme admi admr adob adod adoe adoo ador adra adre adro adua adub adue adur aebi aede aeer aeio aeom aer- aera aerd aeri aero aiai aiba aibo aida aidb aide aidi aidr aidu aiea aiee aiia aiib aiid aiir aime aimi aimm aimo aioi aira aird aire airi airo aiud aiui amaa amad amae amai amam amar amb- amba ambe ambi ambo ambr ambu amda amdo amed amee amei amer ameu amia amib amid amie amii amir amm- amma amme ammi ammo ammu amob amod amoi amoo amor amou amra amri amro amua amud amui amum amur aoba aoeu aoma aora aorb arab arad arae arai aram arar arau arba arbe arbi arda arde ardi ardm ardo ardu area ared aree arei arem areo areu aria arib arid arie arii arim ario arma armd arme armi armm armo armu aroa arob arod aroe aroi arom aroo aror arr- arra arre