-er a-a a-b aaa aab aad aae aaj aam aao aar ab- aba abb abd abe abj abm abo abr ad- ada adb add ade adj adm ado adr aea aeb aed aee aej aem aeo aer aja ajb ajd aje ajj ajm ajo ajr ama amb amd ame amm amo amr aoa aob aod aoe aoj aom aoo aor ar- ara arb ard are arj arm aro arr baa bab bad bae baj bam bao bar bba bbb bbd bbe bbm bbo bbr bda bdb bdd bde bdj bdm bdo bdr be- bea beb bed bee bem beo ber bja bjd bjj bjm bjr bma bmb bmd bme bmj bmm bmo bmr boa bob bod boe boj bom boo bor bra brb brd bre brj brm bro brr daa dab dad dae daj dam dao dar dba dbb dbd dbe dbm dbo dbr dda ddb ddd dde ddm ddo ddr de- dea deb ded dee dej dem deo der dj- dja djb djd dje djm djo dma dmb dmd dme dmm dmo dmr doa dob dod doe doj dom doo dor dra drb drd dre drj drm dro drr eaa eab ead eae eaj eam eao ear eba ebb ebd ebe ebj ebm ebo ebr ed- eda edb edd ede edj edm edo edr eea eeb eed eee eem eeo eer eja ejd ejo em- ema emb emd eme emm emo emr eo- eoa eob eod eoe eom eoo eor era erb erd ere erm ero err j-d jaa jab jad jae jaj jam jao jar jba jbj jbm jbo jbr jda jdb jde jdm jdo jdr jea jeb jed jee jej jem jeo jer jja jjb jjj jjr jma jmb jmd jme jmj jmm jmo jmr joa job jod joe joj jom joo jor jra jrb jrm jro jrr m-o m-r maa mab mad mae maj mam mao mar mba mbb mbd mbe mbj mbm mbo mbr mda mdb mdd mde mdj mdm mdo mdr mea meb med mee mej mem meo mer mjb mjd mje mjj mjm mjr mma mmb mmd mme mmj mmm mmo mmr moa mob mod moe mom moo mor mra mrb mrd mre mrj mrm mro mrr oaa oab oad oae oaj oam oao oar ob- oba obb obd obe obj obm obo obr oda odb odd ode odm odo odr oea oeb oed oee oem oeo oer oja ojb ojd oje ojm ojo om- oma omb omd ome omj omm omo omr oo- ooa oob ood oom ooo oor or- ora orb ord ore orm oro orr ra- raa rab rad rae raj ram rao rar rba rbb rbd rbe rbm rbo rbr rda rdb rdd rde rdj rdm rdo rdr re- rea reb red ree rem reo rer rja rjm rjr rma rmb rmd rme rmm rmo rmr roa rob rod roe roj rom roo ror rra rrb rrd rrm rrr