-er -th a-a a-b a-t aaa aab aae aah aam aao aar aas aat ab- aba abb abe abh abm abo abr abs abt aea aeb aee aeh aem aeo aer aes aet aha ahb ahe ahh ahm aho ahr ahs aht ama amb ame amh amm amo amr ams amt aoa aob aoe aoh aom aoo aor aos aot ar- ara arb are arh arm aro arr ars art as- asa asb ase ash asm aso asr ass ast at- ata atb ate ath atm ato atr ats att baa bab bae bah bam bao bar bas bat bba bbb bbe bbh bbm bbo bbr bbs bbt be- bea beb bee beh bem beo ber bes bet bha bhb bhe bhh bhm bho bhr bhs bht bma bmb bme bmh bmm bmo bmr bms bmt boa bob boe boh bom boo bor bos bot bra brb bre brh brm bro brr brs brt bsa bsb bse bsh bsm bso bsr bss bst bta btb bte bth btm bto btr bts btt eaa eab eae eah eam eao ear eas eat eba ebb ebe ebh ebm ebo ebr ebs ebt eea eeb eee eem eeo eer ees eet eha ehb ehe ehh ehm eho ehr ehs eht em- ema emb eme emh emm emo emr ems emt eo- eoa eob eoe eoh eom eoo eor eos eot era erb ere erh erm ero err ers ert es- esa esb ese esh esm eso esr ess est eta etb ete eth etm eto etr ets ett haa hab hae hah ham hao har has hat hba hbb hbe hbh hbm hbo hbr hbs hbt he- hea heb hee heh hem heo her hes het hha hhb hhe hhh hhm hho hhr hhs hht hma hmb hme hmh hmm hmo hmr hms hmt hoa hob hoe hoh hom hoo hor hos hot hr- hra hrb hre hrh hrm hro hrr hrs hrt hsa hsb hse hsh hsm hsr hss hst hta htb hte hth htm hto htr hts htt m-o m-r maa mab mae mah mam mao mar mas mat mba mbb mbe mbh mbm mbo mbr mbs mbt mea meb mee meh mem meo mer mes met mha mhh mhm mho mhr mhs mht mma mmb mme mmh mmm mmo mmr mms mmt moa mob moe moh mom moo mor mos mot mra mrb mre mrh mrm mro mrr mrs mrt msa msb mse msh msm mso msr mss mst mta mtb mte mth mtm mto mtr mts mtt oaa oab oae oah oam oao oar oas oat ob- oba obb obe obh obm obo obr obs obt oea oeb oee oeh oem oeo oer oes oet oha ohe ohh ohm oho ohr ohs oht om- oma omb ome omh omm omo omr oms omt oo- ooa oob ooh oom ooo oor oos oot or- ora orb ore orh orm oro orr ors ort os- osa osb ose osh osm oso osr oss ost ot- ota otb ote oth otm oto otr ots ott ra- raa rab rae rah ram rao rar ras rat rba rbb rbe rbh rbm rbo rbr rbs rbt re- rea reb ree reh rem reo rer res ret rh- rha rhb rhe rhh rhm rho rhr rhs rht rma rmb rme rmh rmm rmo rmr rms rmt roa rob roe roh rom roo ror ros rot rra rrb rrh rrm rrr rrs rrt rsa rsb rse rsh rsm rso rsr rss rst rta rtb rte rtm rto rtr rts rtt saa sab sae sah sam sao sar sas sat sba sbb sbe sbh sbm sbo sbr sbs sbt se- sea seb see seh sem seo ser ses set sh- sha shb she shh shm sho shr shs sht sma smb sme smh smm smo smr sms smt soa sob soe soh som soo sor sos sot sr- sra srb sre srh srm sro srr srs srt ss- ssa ssb sse ssh ssm sso ssr sss sst sta stb ste sth stm sto str sts stt taa tab tae tah tam tao tar tas tat tba tbb tbe tbh tbm tbo tbr tbs tbt te- tea teb tee teh tem teo ter tes tet th- tha thb the thh thm tho thr ths tht tma tmb tme tmh tmm tmo tmr tms tmt to- toa tob toe toh tom too tor tos tot tra trb tre trh trm tro trr trs trt tsa tsb tse tsh tsm tso tsr tss tst tta ttb tte tth ttm tto ttr tts ttt