-th a-a a-b a-t aaa aab aad aah aam aao aar aat ab- aba abb abd abh abm abo abr abt ad- ada adb add adh adm ado adr adt aha ahb ahd ahh ahm aho ahr aht ama amb amd amh amm amo amr amt aoa aob aod aoh aom aoo aor aot ar- ara arb ard arh arm aro arr art at- ata atb atd ath atm ato atr att baa bab bad bah bam bao bar bat bba bbb bbd bbh bbm bbo bbr bbt bda bdb bdd bdh bdm bdo bdr bdt bha bhb bhd bhh bhm bho bhr bht bma bmb bmd bmh bmm bmo bmr bmt boa bob bod boh bom boo bor bot bra brb brd brh brm bro brr brt bta btb btd bth btm bto btr btt daa dab dad dah dam dao dar dat dba dbb dbd dbh dbm dbo dbr dbt dda ddb ddd ddh ddm ddo ddr ddt dh- dha dhb dhd dhh dhm dho dhr dht dma dmb dmd dmh dmm dmo dmr dmt doa dob dod doh dom doo dor dot dra drb drd drm dro drr drt dta dtb dtd dth dtm dto dtr dtt haa hab had hah ham hao har hat hba hbb hbd hbh hbm hbo hbr hbt hda hdb hdd hdh hdm hdo hdr hdt hha hhb hhd hhh hhm hho hhr hht hma hmb hmd hmh hmm hmo hmr hmt hoa hob hod hoh hom hoo hor hot hr- hra hrb hrd hrh hrm hro hrr hrt hta htb htd hth htm hto htr htt m-o m-r maa mab mad mah mam mao mar mat mba mbb mbd mbh mbm mbo mbr mbt mda mdb mdd mdh mdm mdo mdr mdt mha mhd mhh mhm mho mhr mht mma mmb mmd mmh mmm mmo mmr mmt moa mob mod moh mom moo mor mot mra mrb mrd mrh mrm mro mrr mrt mta mtb mtd mth mtm mto mtr mtt oaa oab oad oah oam oao oar oat ob- oba obb obd obh obm obo obr obt oda odb odd odh odm odo odr odt oha ohd ohh ohm oho ohr oht om- oma omb omd omh omm omo omr omt oo- ooa oob ood ooh oom ooo oor oot or- ora orb ord orh orm oro orr ort ot- ota otb otd oth otm oto otr ott ra- raa rab rad rah ram rao rar rat rba rbb rbd rbh rbm rbo rbr rbt rda rdb rdd rdh rdm rdo rdr rdt rh- rha rhb rhd rhh rhm rho rhr rht rma rmb rmd rmh rmm rmo rmr rmt roa rob rod roh rom roo ror rot rra rrb rrd rrh rrm rrr rrt rta rtb rtd rtm rto rtr rtt taa tab tad tah tam tao tar tat tba tbb tbd tbh tbm tbo tbr tbt tda tdb tdd tdh tdm tdo tdr tdt th- tha thb thd thh thm tho thr tht tma tmb tmd tmh tmm tmo tmr tmt to- toa tob tod toh tom too tor tot tra trb trd trh trm tro trr trt tta ttb ttd tth ttm tto ttr ttt