-er a-a a-b a-i a-t aaa aab aad aae aai aam aan aao aar aat ab- aba abb abd abe abi abm abn abo abr abt ad- ada adb add ade adi adm adn ado adr adt aea aeb aed aee aei aem aen aeo aer aet ai- aia aib aid aie aii aim ain aio air ait ama amb amd ame ami amm amn amo amr amt an- ana anb and ane ani anm ann ano anr ant aoa aob aod aoe aoi aom aon aoo aor aot ar- ara arb ard are ari arm arn aro arr art at- ata atb atd ate ati atm atn ato atr att baa bab bad bae bai bam ban bao bar bat bba bbb bbd bbe bbi bbm bbn bbo bbr bbt bda bdb bdd bde bdi bdm bdo bdr bdt be- bea beb bed bee bei bem ben beo ber bet bi- bia bib bid bie bii bim bin bio bir bit bma bmb bmd bme bmi bmm bmn bmo bmr bmt bna bnb bnd bne bni bnn bno bnr bnt boa bob bod boe boi bom bon boo bor bot bra brb brd bre bri brm brn bro brr brt bta btb btd bte bti btm btn bto btr btt daa dab dad dae dai dam dan dao dar dat dba dbb dbd dbe dbi dbm dbn dbo dbr dbt dda ddb ddd dde ddi ddm ddn ddo ddr ddt de- dea deb ded dee dei dem den deo der det di- dia dib did die dii dim din dio dir dit dma dmb dmd dme dmi dmm dmn dmo dmr dmt dna dnb dnd dne dni dnm dnn dno dnr dnt doa dob dod doe doi dom don doo dor dot dra drb drd dre dri drm drn dro drr drt dta dtb dtd dte dti dtm dtn dto dtr dtt eaa eab ead eae eai eam ean eao ear eat eba ebb ebd ebe ebi ebm ebn ebo ebr ebt ed- eda edb edd ede edi edm edn edo edr edt eea eeb eed eee eem een eeo eer eet eia eib eid eie eii eim ein eio eir eit em- ema emb emd eme emi emm emn emo emr emt en- ena enb end ene eni enm enn eno enr ent eo- eoa eob eod eoe eoi eom eon eoo eor eot era erb erd ere eri erm ern ero err ert eta etb etd ete eti etm etn eto etr ett i-d ia- iaa iab iad iae iai iam ian iao iar iat iba ibb ibd ibe ibi ibm ibn ibo ibr ibt ida idb idd ide idi idm idn ido idr idt ie- iea ied iee iei iem ien ier iet iia iib iid iie iii iim iin iio iir iit im- ima imb imd ime imi imm imn imo imt in- ina inb ind ine ini inm inn ino inr int io- ioa iob iod ioe ioi iom ion ioo ior iot ir- ira irb ird ire iri irm irn iro irr irt ita itb itd ite iti itm itn ito itt m-o m-r maa mab mad mae mai mam man mao mar mat mba mbb mbd mbe mbi mbm mbo mbr mbt mda mdb mdd mde mdi mdm mdn mdo mdr mdt mea meb med mee mei mem men meo mer met mi- mia mib mid mie mii mim min mio mir mit mma mmb mmd mme mmi mmm mmn mmo mmr mmt mna mnb mne mni mnm mnn mno mnr mnt moa mob mod moe moi mom mon moo mor mot mra mrb mrd mre mri mrm mrn mro mrr mrt mta mtb mtd mte mti mtm mtn mto mtr mtt n-i naa nab nad nae nai nam nan nao nar nat nba nbb nbd nbe nbi nbm nbn nbo nbr nbt nda ndb ndd nde ndi ndm ndn ndo ndr ndt ne- nea neb ned nee nei nem nen neo ner net nia nib nid nie nii nim nin nio nir nit nma nmb nmd nme nmi nmm nmn nmo nmr nmt nna nnb nne nni nnm nnn nno nnt no- noa nob nod noe noi nom non noo nor not nra nrb nrd nre nri nrm nrn nro nrr nrt nta ntb ntd nte nti ntm ntn nto ntr ntt o-i oaa oab oad oae oai oam oan oao oar oat ob- oba obb obd obe obi obm obn obo obr obt oda odb odd ode odi odm odn odo odr odt oea oeb oed oee oei oem oen oeo oer oet oia oib oid oie oii oim oin oio oir oit om- oma omb omd ome omi omm omn omo omr omt on- ona onb ond one oni onn ono onr ont oo- ooa oob ood ooi oom oon ooo oor oot or- ora orb ord ore ori orm orn oro orr ort ot- ota otb otd ote oti otm otn oto otr ott ra- raa rab rad rae rai ram ran rao rar rat rba rbb rbd rbe rbi rbm rbn rbo rbr rbt rda rdb rdd rde rdi rdm rdn rdo rdr rdt re- rea reb red ree rei rem ren reo rer ret ria rib rid rie rii rim rin rio rir rit rma rmb rmd rme rmi rmm rmn rmo rmr rmt rna rnb rnd rni rnm rnn rno rnr rnt roa rob rod roe roi rom ron roo ror rot rra rrb rrd rri rrm rrn rrr rrt rta rtb rtd rte rti rtm rtn rto rtr rtt taa tab tad tae tai tam tan tao tar tat tba tbb tbd tbe tbi tbm tbn tbo tbr tbt tda tdb tdd tde tdi tdm tdn tdo tdr tdt te- tea teb ted tee tei tem ten teo ter tet tia tib tid tie tii tim tin tio tir tit tma tmb tmd tme tmi tmm tmn tmo tmr tmt tna tnb tnd tne tni tnm tnn tno tnr tnt to- toa tob tod