-th a-a a-b a-c a-t aaa aab aac aae aah aak aam aan aas aat ab- aba abb abc abe abh abk abm abn abs abt ac- aca acb acc ace ach ack acm acn acs act aea aeb aec aee aeh aek aem aen aes aet aha ahb ahc ahe ahh ahk ahm ahn ahs aht aka akb akc ake akh akk akm akn aks ama amb amc ame amh amk amm amn ams amt an- ana anb anc ane anh ank anm ann ans ant as- asa asb asc ase ash ask asm asn ass ast at- ata atb atc ate ath atm atn ats att baa bab bac bae bah bak bam ban bas bat bba bbb bbc bbe bbh bbk bbm bbn bbs bbt bca bcb bcc bce bch bck bcm bcn bcs bct be- bea beb bec bee beh bek bem ben bes bet bha bhb bhc bhe bhh bhk bhm bhs bht bka bkb bkc bke bkk bkm bkn bks bkt bma bmb bmc bme bmh bmk bmm bmn bms bmt bna bnb bnc bne bnk bnn bns bnt bsa bsb bsc bse bsh bsk bsm bsn bss bst bta btb btc bte bth btk btm btn bts btt c-- caa cab cac cae cah cak cam can cas cat cba cbb cbc cbe cbh cbk cbm cbn cbs cbt cca ccb ccc cce cch cck ccm ccn ccs cct ce- cea ceb cec cee ceh cek cem cen ces cet ch- cha chb chc che chh chk chm chn chs cht cka ckb ckc ckh ckm cks ckt cma cmb cmc cme cmh cmk cmm cmn cms cmt cn- cna cnb cnc cne cnh cnm cnn cns cnt csa csb csc cse csh csk csm csn css cst cta ctb ctc cte cth ctk ctm ctn cts ctt eaa eab eac eae eah eak eam ean eas eat eba ebb ebc ebe ebh ebk ebm ebn ebs ebt ec- eca ecb ecc ece ech eck ecm ecn ecs ect eea eeb eec eee eek eem een ees eet eha ehb ehc ehe ehh ehm ehn ehs eht eka ekb ekc eke ekh eks ekt em- ema emb emc eme emh emk emm emn ems emt en- ena enb enc ene enh enk enm enn ens ent es- esa esb esc ese esh esk esm esn ess est eta etb etc ete eth etk etm etn ets ett haa hab hac hae hah hak ham han has hat hba hbb hbc hbe hbh hbk hbm hbn hbs hbt hca hcb hcc hce hch hck hcm hcn hcs hct he- hea heb hec hee heh hek hem hen hes het hha hhb hhc hhe hhh hhk hhm hhn hhs hht hka hkb hkh hkk hkm hkn hks hkt hma hmb hmc hme hmh hmk hmm hms hmt hna hnb hnc hne hnh hnk hnn hns hnt hsa hsb hsc hse hsh hsk hsm hsn hss hst hta htb htc hte hth htk htm htn hts htt k-t ka- kaa kab kac kae kah kak kam kan kas kat kba kbb kbc kbe kbh kbk kbm kbn kbs kca kcb kcc kce kch kck kcm kcn kcs kct ke- kea keb kec kee keh kek kem ken kes ket kha khe khh khk khm khn khs kkb kkc kke kkh kkk kkm kkn kks kkt kma kmb kmc kme kmh kmk kmm kms kmt kn- kna knc kne knk knm knn knt ksa ksb ksc kse ksh ksk ksm ksn kss kst kta ktb ktc kte kth ktk ktm ktn kts ktt maa mab mac mae mah mak mam man mas mat mba mbb mbc mbe mbh mbk mbm mbs mbt mc- mca mcb mcc mce mch mck mcm mcn mcs mct mea meb mec mee meh mek mem men mes met mha mhc mhh mhk mhm mhn mhs mht mka mkb mkc mke mkh mkk mkm mkn mks mkt mma mmb mmc mme mmh mmk mmm mmn mms mmt mna mnb mnc mne mnk mnm mnn mns mnt msa msb msc mse msh msk msm msn mss mst mta mtb mtc mte mth mtk mtm mtn mts mtt naa nab nac nae nah nak nam nan nas nat nba nbb nbc nbe nbk nbm nbn nbs nbt nca ncb ncc nce nch nck ncm ncn ncs nct ne- nea neb nec nee neh nek nem nen nes net nha nhb nhc nhe nhh nhk nhm nhn nhs nht nka nkc nke nkk nkm nkn nks nkt nma nmb nmc nme nmh nmk nmm nmn nms nmt nna nnb nnc nne nnh nnk nnm nnn nns nnt nsa nsb nsc nse nsh nsk nsm nsn nss nst nta ntb ntc nte nth ntk ntm ntn nts ntt saa sab sac sae sah sak sam san sas sat sba sbb sbc sbe sbh sbk sbm sbn sbs sbt sca scb scc sce sch sck scm scn scs sct se- sea seb sec see seh sek sem sen ses set sh- sha shb shc she shh shk shm shn shs sht sk- ska skb skc ske skh skk skm sks skt sma smb smc sme smh smk smm smn sms smt sna snb snc sne snk snm snn sns snt ss- ssa ssb ssc sse ssh ssk ssm ssn sss sst sta stb stc ste sth stk stm stn sts stt taa tab tac tae tah tak tam tan tas tat tba tbb tbc tbe tbh tbk tbm tbn tbs tbt tca tcb tcc tce tch tck tcm tcn tcs tct te- tea teb tec tee teh tek tem ten tes tet th- tha thb thc the thh thk thm thn ths tht tka tkb tkc tke tkk tkm tks tkt tma tmb tmc tme tmh tmk tmm tmn tms tmt tna tnb tnc tne tnh tnk tnm tnn tns tnt tsa tsb tsc tse tsh tsk tsm tsn tss tst tta ttb ttc tte tth ttk ttm ttn tts ttt