-er a-a a-b a-t aaa aab aad aae aag aap aar aat ab- aba abb abd abe abg abp abr abt ad- ada adb add ade adg adp adr adt aea aeb aed aee aeg aep aer aet ag- aga agb agd age agg agp agr agt ap- apa apb apd ape apg app apr apt ar- ara arb ard are arg arp arr art at- ata atb atd ate atg atp atr att b-p baa bab bad bae bag bap bar bat bba bbb bbd bbe bbg bbp bbr bbt bda bdb bdd bde bdg bdp bdr bdt be- bea beb bed bee beg bep ber bet bga bgb bgd bge bgg bgp bgr bgt bpa bpb bpd bpe bpg bpp bpr bpt bra brb brd bre brg brp brr brt bta btb btd bte btg btp btr btt daa dab dad dae dag dap dar dat dba dbb dbd dbe dbg dbp dbr dbt dda ddb ddd dde ddg ddp ddr ddt de- dea deb ded dee deg dep der det dga dgd dge dgg dgp dgr dgt dpa dpb dpd dpe dpg dpp dpr dpt dra drb drd dre drg drp drr drt dta dtb dtd dte dtg dtp dtr dtt eaa eab ead eae eag eap ear eat eba ebb ebd ebe ebg ebp ebr ebt ed- eda edb edd ede edg edp edr edt eea eeb eed eee eeg eep eer eet ega egb egd ege egg egp egr egt ep- epa epb epd epe epg epp epr ept era erb erd ere erg erp err ert eta etb etd ete etg etp etr ett g-d g-p gaa gab gad gae gag gap gar gat gba gbd gbe gbg gbp gbr gbt gda gdb gdd gde gdp gdr gdt ge- gea geb ged gee geg gep ger get gga ggb ggd ggg ggp ggr ggt gpa gpb gpd gpe gpg gpp gpr gpt gra grb grd gre grg grp grr grt gta gtb gtd gte gtg gtp gtr gtt p-p paa pab pad pae pag pap par pat pba pbb pbd pbe pbg pbp pbr pbt pda pdb pdd pde pdg pdp pdr pdt pea peb ped pee peg pep per pet pga pgb pgd pge pgg pgp pgr pgt ppa ppb ppd ppe ppg ppp ppr ppt pra prb prd pre prg prp prr prt pt- pta ptb ptd pte ptg ptp ptr ptt ra- raa rab rad rae rag rap rar rat rba rbb rbd rbe rbg rbp rbr rbt rda rdb rdd rde rdg rdp rdr rdt re- rea reb red ree reg rep rer ret rga rgb rgd rge rgg rgp rgr rgt rpa rpb rpd rpe rpg rpp rpr rpt rra rrb rrd rrg rrp rrr rrt rta rtb rtd rte rtg rtp rtr rtt taa tab tad tae tag tap tar tat tba tbb tbd tbe tbg tbp tbr tbt tda tdb tdd tde tdg tdp tdr tdt te- tea teb ted tee teg tep ter tet tga tgb tge tgg tgp tgr tgt tpa tpb tpd tpe tpg tpp tpr tpt tra trb trd tre trg trp trr trt tta ttb ttd tte ttg ttp ttr ttt

a-be aaaa aaab aaad aaae aaap aaar aaba aabb aabd aabp aabt aada aade aadt aaea aaep aage aapa aapt aara aard aare aarp aart aata aatt abaa abab abad abae abag abap abar abat abb- abba abbb abbe abbr abbt abda abed abee aber abet abgd abpa abpd abpp abpr abra abta adaa adab adad adae adag adap adar adat adba adda addd adde addr adea adeb adee ader adet adp- adra adre adta aeap aede aedt aeer aega aer- aera aerd aeta aetr aett agad agag agap agar agat agba agda agde agea aged agee agep ager aget agga agge agra agre agrp agta agte agtr apap apar apat apba apbg apbr apda apdd apea aped apeg apep aper apet apga appa appd appr appt apra apre aprt apta apte aptt arab arad arae arag arap arar arat arba arbe arda arde area ared aree areg arep aret arga argb arge arpa arpe arr- arra arre arrg arrr arrt arta arte artr at-t ataa atab atad atae atap atar atat atdt atea ated atee atep ater atpr atra atre atrp atta atte attp attr baaa baad baar baat baba babb babe babr bada badb badd bade badr baed baer baga bage bagg bagt bapa bape bapp bapt bar- bara barb bard bare barg barr bart bata bate batt bbad bbbb bbdd bbeb bbet bbga bbpr bbrg bd-r bead beag beap bear beat beba bebb bebe beda bede beeb beed beeg beep beer beet bega begg bera berd bere berg berr bert beta bete bett bpda bpea bprd brab brad brae brag brat brda brdt brea breb bred bree breg brep brer bret brrr btaa btbp btdt btrt bttb daab daad daae daag daap daar daba dabb dabp dabt dada dade daeb daer daga dage dagg dagr dapa dape dapg dapp dara darb dard dare darg darp darr dart data date datp datr datt dbag dbar dbgp dbpd dbtt dddd ddre dead deae deap dear deba debe debt deda dedd dede deeb deed deeg deep deer deet dega dege depa depe depp depr dept der- dera derb dere derg derp derr deta dete detr dgeg dgge dpaa dpag dpdt dper dppa dprg draa drab drad drag drap drar drat drba drda drea dred dree dreg dret drge drra dtaa dtap dtdp dted dttp eaba eada eadb eadd eadp eaga eage eapp eara earb eard eare earp eart eata eate ebba ebbr ebed eber edad edag edar edda edde eddp ede- edea eder edge edra edta eede eeea eeee eega eera eerg eeta eete egaa egad egae egar egat egba egbe egea egee eger eggb egge eggp egpa egpb egpd egpe egra egre egta egte epaa epad epee eper eppa eppp epra eprb eprp epta epte erad erap erat erba erbb erbe erda erde ereb ered erer eret erg- erga ergg