-er -ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aam aar aat ab- aba abb abc abe abh abi abm abr abt ac- aca acb acc ace ach aci acm acr act aea aeb aec aee aeh aei aem aer aet aha ahb ahc ahe ahh ahi ahm ahr aht ai- aia aib aic aie aih aii aim air ait ama amb amc ame amh ami amm amr amt ar- ara arb arc are arh ari arm arr art at- ata atb atc ate ath ati atm atr att baa bab bac bae bah bai bam bar bat bba bbb bbc bbe bbh bbi bbm bbr bbt bca bcb bcc bce bch bci bcm bcr bct be- bea beb bec bee beh bei bem ber bet bha bhb bhc bhe bhh bhi bhm bhr bht bi- bia bib bic bie bih bii bim bir bit bma bmb bmc bme bmh bmi bmm bmr bmt bra brb bre brh bri brm brr brt bta btb btc bte bth bti btm btr btt c-- caa cab cac cae cah cai cam car cat cba cbb cbc cbe cbh cbi cbm cbr cbt cca ccb ccc cce cch cci ccm ccr cct ce- cea ceb cec cee ceh cei cem cer cet ch- cha chb chc che chh chi chm chr cht ci- cia cib cic cie cih cii cim cir cit cma cmb cmc cme cmh cmi cmm cmr cmt cra crb crc cre crh cri crm crr crt cta ctb ctc cte cth cti ctm ctr ctt eaa eab eac eae eah eai eam ear eat eba ebb ebc ebe ebh ebi ebm ebr ebt ec- eca ecb ecc ece ech eci ecm ecr ect eea eeb eec eee eem eer eet eha ehb ehc ehe ehh ehi ehm ehr eht eia eib eic eie eii eim eir eit em- ema emb emc eme emh emi emm emr emt era erb erc ere erh eri erm err ert eta etb etc ete eth eti etm etr ett h-i haa hab hac hae hah hai ham har hat hba hbb hbc hbe hbh hbi hbm hbr hbt hca hcb hcc hce hch hci hcm hcr hct he- hea heb hec hee heh hei hem her het hha hhb hhc hhe hhh hhi hhm hhr hht hia hib hic hie hih hii him hir hit hma hmb hmc hme hmh hmi hmm hmr hmt hr- hra hrb hrc hre hrh hri hrm hrr hrt hta htb htc hte hth hti htm htr htt ia- iaa iab iac iae iah iai iam iar iat iba ibb ibc ibe ibh ibi ibm ibr ibt ica icb icc ice ich ici icm icr ict ie- iea iec iee iei iem ier iet iha ihb ihc ihe ihh ihi ihm ihr iht iia iib iic iie iih iii iim iir iit im- ima imb imc ime imh imi imm imt ir- ira irb irc ire iri irm irr irt ita itb itc ite ith iti itm itt m-r maa mab mac mae mah mai mam mar mat mba mbb mbc mbe mbh mbi mbm mbr mbt mc- mca mcb mcc mce mch mci mcm mcr mct mea meb mec mee meh mei mem mer met mha mhc mhh mhi mhm mhr mht mi- mia mib mic mie mih mii mim mir mit mma mmb mmc mme mmh mmi mmm mmr mmt mra mrb mrc mre mrh mri mrm mrr mrt mta mtb mtc mte mth mti mtm mtr mtt ra- raa rab rac rae rah rai ram rar rat rba rbb rbc rbe rbh rbi rbm rbr rbt rca rcb rcc rce rch rci rcm rcr rct re- rea reb rec ree reh rei rem rer ret rh- rha rhb rhc rhe rhh rhi rhm rhr rht ria rib ric rie rih rii rim rir rit rma rmb rmc rme rmh rmi rmm rmr rmt rra rrb rrc rrh rri rrm rrr rrt rta rtb rtc rte rti rtm rtr rtt taa tab tac tae tah tai tam tar tat tba tbb tbc tbe tbh tbi tbm tbr tbt tca tcb tcc tce tch tci tcm tcr tct te- tea teb tec tee teh tei tem ter tet th- tha thb thc the thh thi thm thr tht tia tib tic tie tih tii tim tir tit tma tmb tmc tme tmh tmi tmm tmr tmt tra trb trc tre trh tri trm trr trt tta ttb ttc tte tth tti ttm ttr ttt