-th a-a a-b a-c a-t aaa aab aac aae aah aak aam aao aas aat ab- aba abb abc abe abh abk abm abo abs abt ac- aca acb acc ace ach ack acm aco acs act aea aeb aec aee aeh aek aem aeo aes aet aha ahb ahc ahe ahh ahk ahm aho ahs aht aka akb akc ake akh akk akm ako aks ama amb amc ame amh amk amm amo ams amt aoa aob aoc aoe aoh aok aom aoo aos aot as- asa asb asc ase ash ask asm aso ass ast at- ata atb atc ate ath atm ato ats att baa bab bac bae bah bak bam bao bas bat bba bbb bbc bbe bbh bbk bbm bbo bbs bbt bca bcb bcc bce bch bck bcm bco bcs bct be- bea beb bec bee beh bek bem beo bes bet bha bhb bhc bhe bhh bhk bhm bho bhs bht bka bkb bkc bke bkk bkm bko bks bkt bma bmb bmc bme bmh bmk bmm bmo bms bmt boa bob boc boe boh bok bom boo bos bot bsa bsb bsc bse bsh bsk bsm bso bss bst bta btb btc bte bth btk btm bto bts btt c-- caa cab cac cae cah cak cam cao cas cat cba cbb cbc cbe cbh cbk cbm cbo cbs cbt cca ccb ccc cce cch cck ccm cco ccs cct ce- cea ceb cec cee ceh cek cem ceo ces cet ch- cha chb chc che chh chk chm cho chs cht cka ckb ckc ckh ckm cko cks ckt cma cmb cmc cme cmh cmk cmm cmo cms cmt co- coa cob coc coe coh cok com coo cos cot csa csb csc cse csh csk csm cso css cst cta ctb ctc cte cth ctk ctm cto cts ctt eaa eab eac eae eah eak eam eao eas eat eba ebb ebc ebe ebh ebk ebm ebo ebs ebt ec- eca ecb ecc ece ech eck ecm eco ecs ect eea eeb eec eee eek eem eeo ees eet eha ehb ehc ehe ehh ehm eho ehs eht eka ekb ekc eke ekh eko eks ekt em- ema emb emc eme emh emk emm emo ems emt eo- eoa eob eoc eoe eoh eok eom eoo eos eot es- esa esb esc ese esh esk esm eso ess est eta etb etc ete eth etk etm eto ets ett haa hab hac hae hah hak ham hao has hat hba hbb hbc hbe hbh hbk hbm hbo hbs hbt hca hcb hcc hce hch hck hcm hco hcs hct he- hea heb hec hee heh hek hem heo hes het hha hhb hhc hhe hhh hhk hhm hho hhs hht hka hkb hkh hkk hkm hko hks hkt hma hmb hmc hme hmh hmk hmm hmo hms hmt hoa hob hoc hoe hoh hok hom hoo hos hot hsa hsb hsc hse hsh hsk hsm hss hst hta htb htc hte hth htk htm hto hts htt k-t ka- kaa kab kac kae kah kak kam kao kas kat kba kbb kbc kbe kbh kbk kbm kbo kbs kca kcb kcc kce kch kck kcm kcs kct ke- kea keb kec kee keh kek kem keo kes ket kha khe khh khk khm kho khs kkb kkc kke kkh kkk kkm kks kkt kma kmb kmc kme kmh kmk kmm kmo kms kmt koa kob koc koe koh kok kom koo kos kot ksa ksb ksc kse ksh ksk ksm kso kss kst kta ktb ktc kte kth ktk ktm kto kts ktt m-o maa mab mac mae mah mak mam mao mas mat mba mbb mbc mbe mbh mbk mbm mbo mbs mbt mc- mca mcb mcc mce mch mck mcm mco mcs mct mea meb mec mee meh mek mem meo mes met mha mhc mhh mhk mhm mho mhs mht mka mkb mkc mke mkh mkk mkm mko mks mkt mma mmb mmc mme mmh mmk mmm mmo mms mmt moa mob moc moe moh mok mom moo mos mot msa msb msc mse msh msk msm mso mss mst mta mtb mtc mte mth mtk mtm mto mts mtt oaa oab oac oae oah oak oam oao oas oat ob- oba obb obc obe obh obk obm obo obs obt oc- oca ocb occ och ock ocm oco ocs oct oea oeb oec oee oeh oem oeo oes oet oha ohc ohe ohh ohm oho ohs oht oka okb okc oke okk oko oks om- oma omb omc ome omh omm omo oms omt oo- ooa oob ooc ooh ook oom ooo oos oot os- osa osb osc ose osh osk osm oso oss ost ot- ota otb otc ote oth otk otm oto ots ott saa sab sac sae sah sak sam sao sas sat sba sbb sbc sbe sbh sbk sbm sbo sbs sbt sca scb scc sce sch sck scm sco scs sct se- sea seb sec see seh sek sem seo ses set sh- sha shb shc she shh shk shm sho shs sht sk- ska skb skc ske skh skk skm sko sks skt sma smb smc sme smh smk smm smo sms smt soa sob soc soe soh sok som soo sos sot ss- ssa ssb ssc sse ssh ssk ssm sso sss sst sta stb stc ste sth stk stm sto sts stt taa tab tac tae tah tak tam tao tas tat tba tbb tbc tbe tbh tbk tbm tbo tbs tbt tca tcb tcc tce tch tck tcm tco tcs tct te- tea teb tec tee teh tek tem teo tes tet th- tha thb thc the thh thk thm tho ths tht tka tkb tkc tke tkk tkm tko tks tkt tma tmb tmc tme tmh tmk tmm tmo tms tmt to- toa tob toc toe toh tok tom too tos tot tsa tsb tsc tse tsh tsk tsm tso tss tst tta ttb ttc tte