-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aap aar aat ab- aba abb abc abd abe abi abp abr abt ac- aca acb acc acd ace aci acp acr act ad- ada adb adc add ade adi adp adr adt aea aeb aec aed aee aei aep aer aet ai- aia aib aic aid aie aii aip air ait ap- apa apb apc apd ape api app apr apt ar- ara arb arc ard are ari arp arr art at- ata atb atc atd ate ati atp atr att b-p baa bab bac bad bae bai bap bar bat bba bbb bbc bbd bbe bbi bbp bbr bbt bca bcb bcc bcd bce bci bcp bcr bct bda bdb bdc bdd bde bdi bdp bdr bdt be- bea beb bec bed bee bei bep ber bet bi- bia bib bic bid bie bii bip bir bit bpa bpb bpc bpd bpe bpi bpp bpr bpt bra brb brd bre bri brp brr brt bta btb btc btd bte bti btp btr btt c-- caa cab cac cad cae cai cap car cat cba cbb cbc cbd cbe cbi cbp cbr cbt cca ccb ccc ccd cce cci ccp ccr cct cda cdb cdc cdd cde cdi cdp cdr cdt ce- cea ceb cec ced cee cei cep cer cet ci- cia cib cic cid cie cii cip cir cit cpa cpb cpc cpd cpe cpi cpp cpr cpt cra crb crc crd cre cri crp crr crt cta ctb ctc ctd cte cti ctp ctr ctt daa dab dac dad dae dai dap dar dat dba dbb dbc dbd dbe dbi dbp dbr dbt dca dcb dcc dcd dce dci dcp dcr dct dda ddb ddc ddd dde ddi ddp ddr ddt de- dea deb dec ded dee dei dep der det di- dia dib dic did die dii dip dir dit dpa dpb dpc dpd dpe dpi dpp dpr dpt dra drb drc drd dre dri drp drr drt dta dtb dtc dtd dte dti dtp dtr dtt eaa eab eac ead eae eai eap ear eat eba ebb ebc ebd ebe ebi ebp ebr ebt ec- eca ecb ecc ecd ece eci ecr ect ed- eda edb edc edd ede edi edp edr edt eea eeb eec eed eee eep eer eet eia eib eic eid eie eii eip eir eit ep- epa epb epc epd epe epi epp epr ept era erb erc erd ere eri erp err ert eta etb etc etd ete eti etp etr ett i-d ia- iaa iab iac iad iae iai iap iar iat iba ibb ibc ibd ibe ibi ibp ibr ibt ica icb icc icd ice ici icp icr ict ida idb idc idd ide idi idp idr idt ie- iea iec ied iee iei iep ier iet iia iib iic iid iie iii iip iir iit ipa ipb ipc ipd ipe ipi ipp ipr ipt ir- ira irb irc ird ire iri irp irr irt ita itb itc itd ite iti itp itt p-p paa pab pac pad pae pai pap par pat pba pbb pbc pbd pbe pbi pbp pbr pbt pca pcb pcc pcd pce pci pcp pcr pct pda pdb pdc pdd pde pdi pdp pdr pdt pea peb pec ped pee pei pep per pet pia pib pic pid pie pii pip pir pit ppa ppb ppc ppd ppe ppi ppp ppr ppt pra prb prc prd pre pri prp prr prt pt- pta ptb ptc ptd pte pti ptp ptr ptt ra- raa rab rac rad rae rai rap rar rat rba rbb rbc rbd rbe rbi rbp rbr rbt rca rcb rcc rcd rce rci rcp rcr rct rda rdb rdc rdd rde rdi rdp rdr rdt re- rea reb rec red ree rei rep rer ret ria rib ric rid rie rii rip rir rit rpa rpb rpc rpd rpe rpi rpp rpr rpt rra rrb rrc rrd rri rrp rrr rrt rta rtb rtc rtd rte rti rtp rtr rtt taa tab tac tad tae tai tap tar tat tba tbb tbc tbd tbe tbi tbp tbr tbt tca tcb tcc tcd tce tci tcp tcr tct tda tdb tdc tdd tde tdi tdp tdr tdt te- tea teb tec ted tee tei tep ter tet tia tib tic tid tie tii tip tir tit tpa tpb tpc tpd tpe tpi tpp tpr tpt tra trb trc trd tre tri trp trr trt tta ttb ttc ttd tte tti ttp ttr ttt

a-be a-ii aaaa aaab aaac aaad aaae aaai aaap aaar aaba aabb aabc aabd aabi aabp aabt aaca aacb aacc aacd aace aaci aacp aacr aact aada aadc aade aadi aadt aaea aaec aaep aaib aaic aaii aapa aapc aapi aapt aara aarc aard aare aari aarp aart aata aatc aatt abaa abab abac abad abae abai abap abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abcd abci abcp abcr abct abda abdi abec abed abee aber abet abia abib abic abid abie abir abit abpa abpc abpd abpi abpp abpr abra abrc abri abta ac-t acaa acab acac acad acae acai acap acar acat acba acca accc accd acce acci accp acct acda acdb acdc acde acdi acdp acdt ace- acea acec aced acer acet aci- acia acic acid acie acip acir acpa acpd acpe acpi acpr acpt acr- acra acrc acre acri acrr acta actc acte acti actt adaa adab adac adad adae adai adap adar adat adba adbc adbi adcc adci adda addc addd adde addi addr adea adeb adee ader adet adia adib adic adie adip adir adit adp- adra adre adta aeac aeap aebi aecb aeci aect aede aedt aeer aeit aer- aera aerc aerd aeri aeta aetc aetr aett aiai aiba aica aicc aicd aice aicp aicr aida aidb aidc aide aidi aidr aidt aiea aiee aiet aiia aiib aiic aiid aiir aipa aipe aipi aira aird aire airi airp airt aita aite