-er -th a-a a-b a-c a-t aaa aab aac aad aae aah aao aap aar aat ab- aba abb abc abd abe abh abo abp abr abt ac- aca acb acc acd ace ach aco acp acr act ad- ada adb adc add ade adh ado adp adr adt aea aeb aec aed aee aeh aeo aep aer aet aha ahb ahc ahd ahe ahh aho ahp ahr aht aoa aob aoc aod aoe aoh aoo aop aor aot ap- apa apb apc apd ape aph apo app apr apt ar- ara arb arc ard are arh aro arp arr art at- ata atb atc atd ate ath ato atp atr att b-p baa bab bac bad bae bah bao bap bar bat bba bbb bbc bbd bbe bbh bbo bbp bbr bbt bca bcb bcc bcd bce bch bco bcp bcr bct bda bdb bdc bdd bde bdh bdo bdp bdr bdt be- bea beb bec bed bee beh beo bep ber bet bha bhb bhc bhd bhe bhh bho bhp bhr bht boa bob boc bod boe boh boo bop bor bot bpa bpb bpc bpd bpe bph bpo bpp bpr bpt bra brb brd bre brh bro brp brr brt bta btb btc btd bte bth bto btp btr btt c-- caa cab cac cad cae cah cao cap car cat cba cbb cbc cbd cbe cbh cbo cbp cbr cbt cca ccb ccc ccd cce cch cco ccp ccr cct cda cdb cdc cdd cde cdh cdo cdp cdr cdt ce- cea ceb cec ced cee ceh ceo cep cer cet ch- cha chb chc chd che chh cho chp chr cht co- coa cob coc cod coe coh coo cop cor cot cpa cpb cpc cpd cpe cph cpo cpp cpr cpt cra crb crc crd cre crh cro crp crr crt cta ctb ctc ctd cte cth cto ctp ctr ctt daa dab dac dad dae dah dao dap dar dat dba dbb dbc dbd dbe dbh dbo dbp dbr dbt dca dcb dcc dcd dce dco dcp dcr dct dda ddb ddc ddd dde ddh ddo ddp ddr ddt de- dea deb dec ded dee deh deo dep der det dh- dha dhb dhc dhd dhe dhh dho dhp dhr dht doa dob doc dod doe doh doo dop dor dot dpa dpb dpc dpd dpe dph dpo dpp dpr dpt dra drb drc drd dre dro drp drr drt dta dtb dtc dtd dte dth dto dtp dtr dtt eaa eab eac ead eae eah eao eap ear eat eba ebb ebc ebd ebe ebh ebo ebp ebr ebt ec- eca ecb ecc ecd ece ech eco ecr ect ed- eda edb edc edd ede edh edo edp edr edt eea eeb eec eed eee eeo eep eer eet eha ehb ehc ehd ehe ehh eho ehp ehr eht eo- eoa eob eoc eod eoe eoh eoo eop eor eot ep- epa epb epc epd epe eph epo epp epr ept era erb erc erd ere erh ero erp err ert eta etb etc etd ete eth eto etp etr ett haa hab hac had hae hah hao hap har hat hba hbb hbc hbd hbe hbh hbo hbp hbr hbt hca hcb hcc hcd hce hch hco hcp hcr hct hda hdb hdc hdd hde hdh hdo hdp hdr hdt he- hea heb hec hed hee heh heo hep her het hha hhb hhc hhd hhe hhh hho hhp hhr hht hoa hob hoc hod hoe hoh hoo hop hor hot hpa hpb hpc hpd hpe hph hpo hpp hpr hpt hr- hra hrb hrc hrd hre hrh hro hrp hrr hrt hta htb htc htd hte hth hto htp htr htt oaa oab oac oad oae oah oao oap oar oat ob- oba obb obc obd obe obh obo obp obr obt oc- oca ocb occ ocd och oco ocp ocr oct oda odb odc odd ode odh odo odp odr odt oea oeb oec oed oee oeh oeo oep oer oet oha ohc ohd ohe ohh oho ohp ohr oht oo- ooa oob ooc ood ooh ooo oop oor oot op- opa opb opc opd ope oph opo opp opr opt or- ora orb orc ord ore orh oro orp orr ort ot- ota otb otc otd ote oth oto otp otr ott p-p paa pab pac pad pae pah pao pap par pat pba pbb pbc pbd pbe pbo pbp pbr pbt pca pcb pcc pcd pce pch pco pcp pcr pct pda pdb pdc pdd pde pdh pdo pdp pdr pdt pea peb pec ped pee peh peo pep per pet pha phb phc phd phe pho php phr pht poa pob poc pod poe poh poo pop por pot ppa ppb ppc ppd ppe pph ppo ppp ppr ppt pra prb prc prd pre prh pro prp prr prt pt- pta ptb ptc ptd pte pth pto ptp ptr ptt ra- raa rab rac rad rae rah rao rap rar rat rba rbb rbc rbd rbe rbh rbo rbp rbr rbt rca rcb rcc rcd rce rch rco rcp rcr rct rda rdb rdc rdd rde rdh rdo rdp rdr rdt re- rea reb rec red ree reh reo rep rer ret rh- rha rhb rhc rhd rhe rhh rho rhp rhr rht roa rob roc rod roe roh roo rop ror rot rpa rpb rpc rpd rpe rph rpo rpp rpr rpt rra rrb rrc rrd rrh rrp rrr rrt rta rtb rtc rtd rte rto rtp rtr rtt taa tab tac tad tae tah tao tap tar tat tba tbb tbc tbd tbe tbh tbo tbp tbr tbt tca tcb tcc tcd tce tch tco tcp tcr tct tda tdb tdc tdd tde tdh tdo tdp tdr tdt te- tea teb tec ted tee teh teo tep ter tet th- tha thb thc thd the thh tho thp thr tht to- toa tob toc tod toe toh too top tor tot tpa tpb tpc