-er -th a-a a-b a-c a-t aaa aab aac aae aah aam aao aap aar aat ab- aba abb abc abe abh abm abo abp abr abt ac- aca acb acc ace ach acm aco acp acr act aea aeb aec aee aeh aem aeo aep aer aet aha ahb ahc ahe ahh ahm aho ahp ahr aht ama amb amc ame amh amm amo amp amr amt aoa aob aoc aoe aoh aom aoo aop aor aot ap- apa apb apc ape aph apm apo app apr apt ar- ara arb arc are arh arm aro arp arr art at- ata atb atc ate ath atm ato atp atr att b-p baa bab bac bae bah bam bao bap bar bat bba bbb bbc bbe bbh bbm bbo bbp bbr bbt bca bcb bcc bce bch bcm bco bcp bcr bct be- bea beb bec bee beh bem beo bep ber bet bha bhb bhc bhe bhh bhm bho bhp bhr bht bma bmb bmc bme bmh bmm bmo bmp bmr bmt boa bob boc boe boh bom boo bop bor bot bpa bpb bpc bpe bph bpm bpo bpp bpr bpt bra brb bre brh brm bro brp brr brt bta btb btc bte bth btm bto btp btr btt c-- caa cab cac cae cah cam cao cap car cat cba cbb cbc cbe cbh cbm cbo cbp cbr cbt cca ccb ccc cce cch ccm cco ccp ccr cct ce- cea ceb cec cee ceh cem ceo cep cer cet ch- cha chb chc che chh chm cho chp chr cht cma cmb cmc cme cmh cmm cmo cmp cmr cmt co- coa cob coc coe coh com coo cop cor cot cpa cpb cpc cpe cph cpm cpo cpp cpr cpt cra crb crc cre crh crm cro crp crr crt cta ctb ctc cte cth ctm cto ctp ctr ctt eaa eab eac eae eah eam eao eap ear eat eba ebb ebc ebe ebh ebm ebo ebp ebr ebt ec- eca ecb ecc ece ech ecm eco ecr ect eea eeb eec eee eem eeo eep eer eet eha ehb ehc ehe ehh ehm eho ehp ehr eht em- ema emb emc eme emh emm emo emp emr emt eo- eoa eob eoc eoe eoh eom eoo eop eor eot ep- epa epb epc epe eph epm epo epp epr ept era erb erc ere erh erm ero erp err ert eta etb etc ete eth etm eto etp etr ett haa hab hac hae hah ham hao hap har hat hba hbb hbc hbe hbh hbm hbo hbp hbr hbt hca hcb hcc hce hch hcm hco hcp hcr hct he- hea heb hec hee heh hem heo hep her het hha hhb hhc hhe hhh hhm hho hhp hhr hht hma hmb hmc hme hmh hmm hmo hmp hmr hmt hoa hob hoc hoe hoh hom hoo hop hor hot hpa hpb hpc hpe hph hpm hpo hpp hpr hpt hr- hra hrb hrc hre hrh hrm hro hrp hrr hrt hta htb htc hte hth htm hto htp htr htt m-o m-r maa mab mac mae mah mam mao map mar mat mba mbb mbc mbe mbh mbm mbo mbp mbr mbt mc- mca mcb mcc mce mch mcm mco mcp mcr mct mea meb mec mee meh mem meo mep mer met mha mhc mhh mhm mho mhp mhr mht mma mmb mmc mme mmh mmm mmo mmp mmr mmt moa mob moc moe moh mom moo mop mor mot mpa mpb mpc mpe mph mpm mpo mpp mpr mpt mra mrb mrc mre mrh mrm mro mrp mrr mrt mta mtb mtc mte mth mtm mto mtp mtr mtt oaa oab oac oae oah oam oao oap oar oat ob- oba obb obc obe obh obm obo obp obr obt oc- oca ocb occ och ocm oco ocp ocr oct oea oeb oec oee oeh oem oeo oep oer oet oha ohc ohe ohh ohm oho ohp ohr oht om- oma omb omc ome omh omm omo omp omr omt oo- ooa oob ooc ooh oom ooo oop oor oot op- opa opb opc ope oph opm opo opp opr opt or- ora orb orc ore orh orm oro orp orr ort ot- ota otb otc ote oth otm oto otp otr ott p-p paa pab pac pae pah pam pao pap par pat pba pbb pbc pbe pbm pbo pbp pbr pbt pca pcb pcc pce pch pcm pco pcp pcr pct pea peb pec pee peh pem peo pep per pet pha phb phc phe phm pho php phr pht pma pmb pmc pme pmh pmm pmo pmp pmr pmt poa pob poc poe poh pom poo pop por pot ppa ppb ppc ppe pph ppm ppo ppp ppr ppt pra prb prc pre prh prm pro prp prr prt pt- pta ptb ptc pte pth ptm pto ptp ptr ptt ra- raa rab rac rae rah ram rao rap rar rat rba rbb rbc rbe rbh rbm rbo rbp rbr rbt rca rcb rcc rce rch rcm rco rcp rcr rct re- rea reb rec ree reh rem reo rep rer ret rh- rha rhb rhc rhe rhh rhm rho rhp rhr rht rma rmb rmc rme rmh rmm rmo rmp rmr rmt roa rob roc roe roh rom roo rop ror rot rpa rpb rpc rpe rph rpm rpo rpp rpr rpt rra rrb rrc rrh rrm rrp rrr rrt rta rtb rtc rte rtm rto rtp rtr rtt taa tab tac tae tah tam tao tap tar tat tba tbb tbc tbe tbh tbm tbo tbp tbr tbt tca tcb tcc tce tch tcm tco tcp tcr tct te- tea teb tec tee teh tem teo tep ter tet th- tha thb thc the thh thm tho thp thr tht tma tmb tmc tme tmh tmm tmo tmp tmr tmt to- toa tob toc toe toh tom too top tor tot tpa tpb