-th a-a a-b a-t aaa aab aad aae aah aam aao aat ab- aba abb abd abe abh abm abo abt ad- ada adb add ade adh adm ado adt aea aeb aed aee aeh aem aeo aet aha ahb ahd ahe ahh ahm aho aht ama amb amd ame amh amm amo amt aoa aob aod aoe aoh aom aoo aot at- ata atb atd ate ath atm ato att baa bab bad bae bah bam bao bat bba bbb bbd bbe bbh bbm bbo bbt bda bdb bdd bde bdh bdm bdo bdt be- bea beb bed bee beh bem beo bet bha bhb bhd bhe bhh bhm bho bht bma bmb bmd bme bmh bmm bmo bmt boa bob bod boe boh bom boo bot bta btb btd bte bth btm bto btt daa dab dad dae dah dam dao dat dba dbb dbd dbe dbh dbm dbo dbt dda ddb ddd dde ddh ddm ddo ddt de- dea deb ded dee deh dem deo det dh- dha dhb dhd dhe dhh dhm dho dht dma dmb dmd dme dmh dmm dmo dmt doa dob dod doe doh dom doo dot dta dtb dtd dte dth dtm dto dtt eaa eab ead eae eah eam eao eat eba ebb ebd ebe ebh ebm ebo ebt ed- eda edb edd ede edh edm edo edt eea eeb eed eee eem eeo eet eha ehb ehd ehe ehh ehm eho eht em- ema emb emd eme emh emm emo emt eo- eoa eob eod eoe eoh eom eoo eot eta etb etd ete eth etm eto ett haa hab had hae hah ham hao hat hba hbb hbd hbe hbh hbm hbo hbt hda hdb hdd hde hdh hdm hdo hdt he- hea heb hed hee heh hem heo het hha hhb hhd hhe hhh hhm hho hht hma hmb hmd hme hmh hmm hmo hmt hoa hob hod hoe hoh hom hoo hot hta htb htd hte hth htm hto htt m-o maa mab mad mae mah mam mao mat mba mbb mbd mbe mbh mbm mbo mbt mda mdb mdd mde mdh mdm mdo mdt mea meb med mee meh mem meo met mha mhd mhh mhm mho mht mma mmb mmd mme mmh mmm mmo mmt moa mob mod moe moh mom moo mot mta mtb mtd mte mth mtm mto mtt oaa oab oad oae oah oam oao oat ob- oba obb obd obe obh obm obo obt oda odb odd ode odh odm odo odt oea oeb oed oee oeh oem oeo oet oha ohd ohe ohh ohm oho oht om- oma omb omd ome omh omm omo omt oo- ooa oob ood ooh oom ooo oot ot- ota otb otd ote oth otm oto ott taa tab tad tae tah tam tao tat tba tbb tbd tbe tbh tbm tbo tbt tda tdb tdd tde tdh tdm tdo tdt te- tea teb ted tee teh tem teo tet th- tha thb thd the thh thm tho tht tma tmb tmd tme tmh tmm tmo tmt to- toa tob tod toe toh tom too tot tta ttb ttd tte tth ttm tto ttt