-al -er -th a-a a-b a-c a-t aaa aab aac aae aah aal aam aar aat ab- aba abb abc abe abh abl abm abr abt ac- aca acb acc ace ach acl acm acr act aea aeb aec aee aeh ael aem aer aet aha ahb ahc ahe ahh ahl ahm ahr aht al- ala alb alc ale alh all alm alr alt ama amb amc ame amh aml amm amr amt ar- ara arb arc are arh arl arm arr art at- ata atb atc ate ath atl atm atr att baa bab bac bae bah bal bam bar bat bba bbb bbc bbe bbh bbl bbm bbr bbt bca bcb bcc bce bch bcl bcm bcr bct be- bea beb bec bee beh bel bem ber bet bha bhb bhc bhe bhh bhl bhm bhr bht bla blb blc ble blh bll blm blr blt bma bmb bmc bme bmh bml bmm bmr bmt bra brb bre brh brl brm brr brt bta btb btc bte bth btl btm btr btt c-- caa cab cac cae cah cal cam car cat cba cbb cbc cbe cbh cbl cbm cbr cbt cca ccb ccc cce cch ccl ccm ccr cct ce- cea ceb cec cee ceh cel cem cer cet ch- cha chb chc che chh chl chm chr cht cl- cla clb clc cle clh cll clm clr clt cma cmb cmc cme cmh cml cmm cmr cmt cra crb crc cre crh crl crm crr crt cta ctb ctc cte cth ctl ctm ctr ctt eaa eab eac eae eah eal eam ear eat eba ebb ebc ebe ebh ebl ebm ebr ebt ec- eca ecb ecc ece ech ecl ecm ecr ect eea eeb eec eee eel eem eer eet eha ehb ehc ehe ehh ehl ehm ehr eht ela elb elc ele elh ell elm elr elt em- ema emb emc eme emh eml emm emr emt era erb erc ere erh erl erm err ert eta etb etc ete eth etl etm etr ett haa hab hac hae hah hal ham har hat hba hbb hbc hbe hbh hbl hbm hbr hbt hca hcb hcc hce hch hcl hcm hcr hct he- hea heb hec hee heh hel hem her het hha hhb hhc hhe hhh hhl hhm hhr hht hla hlb hlc hle hlh hll hlm hlr hlt hma hmb hmc hme hmh hml hmm hmr hmt hr- hra hrb hrc hre hrh hrl hrm hrr hrt hta htb htc hte hth htl htm htr htt la- laa lab lac lae lah lal lam lar lat lba lbb lbc lbe lbh lbl lbm lbr lbt lca lcb lcc lce lch lcl lcm lcr lct lea leb lec lee leh lel lem ler let lha lhb lhc lhh lhr lht lla llb llc lle lll llm llr llt lma lmb lmc lme lmh lml lmm lmr lmt lra lrb lrc lrh lrm lrr lrt lta ltb ltc lte lth ltl ltm ltr ltt m-r maa mab mac mae mah mal mam mar mat mba mbb mbc mbe mbh mbl mbm mbr mbt mc- mca mcb mcc mce mch mcl mcm mcr mct mea meb mec mee meh mel mem mer met mha mhc mhh mhl mhm mhr mht mla mlb mlc mle mlh mll mlm mlr mlt mma mmb mmc mme mmh mml mmm mmr mmt mra mrb mrc mre mrh mrl mrm mrr mrt mta mtb mtc mte mth mtl mtm mtr mtt ra- raa rab rac rae rah ral ram rar rat rba rbb rbc rbe rbh rbl rbm rbr rbt rca rcb rcc rce rch rcl rcm rcr rct re- rea reb rec ree reh rel rem rer ret rh- rha rhb rhc rhe rhh rhl rhm rhr rht rla rlc rle rlh rll rlm rlr rlt rma rmb rmc rme rmh rml rmm rmr rmt rra rrb rrc rrh rrl rrm rrr rrt rta rtb rtc rte rtl rtm rtr rtt taa tab tac tae tah tal tam tar tat tba tbb tbc tbe tbh tbl tbm tbr tbt tca tcb tcc tce tch tcl tcm tcr tct te- tea teb tec tee teh tel tem ter tet th- tha thb thc the thh thl thm thr tht tla tlc tle tlh tll tlm tlr tlt tma tmb tmc tme tmh tml tmm tmr tmt tra trb trc tre trh trl trm trr trt tta ttb ttc tte tth ttl ttm ttr ttt