-er a-a a-b aaa aab aad aae aaf aam aao aar aau ab- aba abb abd abe abf abm abo abr abu ad- ada adb add ade adf adm ado adr adu aea aeb aed aee aef aem aeo aer aeu af- afa afb afd afe aff afm afo afr afu ama amb amd ame amf amm amo amr amu aoa aob aod aoe aof aom aoo aor aou ar- ara arb ard are arf arm aro arr aru au- aua aub aud aue auf aum auo aur b-u baa bab bad bae baf bam bao bar bau bba bbb bbd bbe bbf bbm bbo bbr bbu bda bdb bdd bde bdf bdm bdo bdr bdu be- bea beb bed bee bef bem beo ber beu bfa bfb bfd bfe bff bfm bfo bfr bfu bma bmb bmd bme bmf bmm bmo bmr bmu boa bob bod boe bof bom boo bor bou bra brb brd bre brf brm bro brr bru bua bub bud bue buf bum buo bur buu daa dab dad dae daf dam dao dar dau dba dbb dbd dbe dbf dbm dbo dbr dbu dda ddb ddd dde ddf ddm ddo ddr ddu de- dea deb ded dee def dem deo der deu dfa dfb dfd dfe dff dfm dfo dfr dfu dma dmb dmd dme dmf dmm dmo dmr dmu doa dob dod doe dof dom doo dor dou dra drb drd dre drm dro drr dru dua dub dud due duf dum duo dur eaa eab ead eae eaf eam eao ear eau eba ebb ebd ebe ebf ebm ebo ebr ebu ed- eda edb edd ede edf edm edo edr edu eea eeb eed eee eef eem eeo eer ef- efa efb efd efe eff efm efo efr em- ema emb emd eme emf emm emo emr emu eo- eoa eob eod eoe eof eom eoo eor eou era erb erd ere erf erm ero err eru eu- eua eub eud eue euf eur faa fab fad fae faf fam fao far fau fba fbb fbd fbe fbf fbm fbo fbr fbu fda fdb fdd fde fdf fdm fdo fdr fdu fea feb fed fee fef fem feo fer feu ffa ffd ffe fff ffm ffo ffr ffu fma fmb fmd fme fmf fmm fmo fmr fmu foa fob foe fof fom foo for fou fra frb frd fre frf frm fro frr fru fua fub fud fue fuf fum fuo fur fuu m-f m-o m-r maa mab mad mae maf mam mao mar mau mba mbb mbd mbe mbf mbm mbo mbr mbu mda mdb mdd mde mdf mdm mdo mdr mdu mea meb med mee mef mem meo mer meu mfa mfb mfd mfe mff mfm mfo mfr mfu mma mmb mmd mme mmf mmm mmo mmr mmu moa mob mod moe mof mom moo mor mou mra mrb mrd mre mrf mrm mro mrr mru mua mub mud mue muf mum mur muu oaa oab oad oae oaf oam oao oar oau ob- oba obb obd obe obf obm obo obr obu oda odb odd ode odf odm odo odr odu oea oeb oed oee oef oem oeo oer of- ofa ofb ofd ofe off ofm ofo ofr ofu om- oma omb omd ome omf omm omo omr omu oo- ooa oob ood oof oom ooo oor or- ora orb ord ore orf orm oro orr oru ou- oua oud oue ouf oum ouo our ra- raa rab rad rae raf ram rao rar rau rba rbb rbd rbe rbf rbm rbo rbr rbu rda rdb rdd rde rdf rdm rdo rdr rdu re- rea reb red ree ref rem reo rer reu rfa rfb rfd rfe rff rfm rfo rfr rfu rma rmb rmd rme rmf rmm rmo rmr roa rob rod roe rof rom roo ror rou rra rrb rrd rrf rrm rrr rru rua rub rud rue ruf rum ruo rur ruu ua- uaa uab uad uae uaf uam uao uar uau uba ubb ube ubf ubo ubr ubu uda udb udd ude udf udm udo udr udu uea ueb ued uee uef uem uer ufa ufd ufe uff ufm ufo ufr ufu um- uma umb umd ume umf umm umo umr umu uoa uob uod uoe uom uoo uor ur- ura urb urd ure urf urm uro urr uru uua uue uum uur uuu

a-be a-do a-fu aaaa aaab aaad aaae aaaf aaam aaar aaba aabb aabd aabm aada aade aadu aaea aaem aafa aafb aafd aaff aama aamb aamd aame aamo aamr aaoe aaoo aara aard aare aarm aaro aaru abaa abab abad abae abaf abam abar abau abb- abba abbb abbe abbo abbr abda abdo abdu abed abee aber abff abma abmb aboa abob abod abof aboo abor abou abra abro abua abud abue abuf abum adaa adab adad adae adam adao adar adba adda addd adde addo addr addu adea adeb adee adem adeo ader adfa adma admb adme admr adob adod adoe adoo ador adra adre adro adua adub adue adur aeaf aede aeer aeom aer- aera aerd aero afaa afad afam afao afar afdb afee afer affa affo afma afoa afoe afoo afor afr- afra afre afrm afro afru afua afud afue amaa amad amae amam amar amb- amba ambe ambo ambr ambu amda amdo amed amee amer ameu amfm amfr amm- amma amme ammo ammu amob amod amof amoo amor amou amra amro amua amud amum amur aoba aoeu aoma aora aorb aouf arab arad arae araf aram arar arau arba arbe arda arde ardf ardm ardo ardu area ared aree aref arem areo areu arfa arfb arff arfu arma armd arme armm armo armu aroa arob arod aroe arom aroo aror arr- arra arre arro arrr arru arua arub arud arue arum auaa aube aude audo auer aufe auma aur- aura aurd aure auro baaa baad baaf baam baar baba babb babe babm babo babr babu bada badb badd bade bado badr badu baed baer baff bafo bama