-er a-a a-b a-i a-t aaa aab aad aae aag aai aao aar aat ab- aba abb abd abe abg abi abo abr abt ad- ada adb add ade adg adi ado adr adt aea aeb aed aee aeg aei aeo aer aet ag- aga agb agd age agg agi ago agr agt ai- aia aib aid aie aig aii aio air ait aoa aob aod aoe aog aoi aoo aor aot ar- ara arb ard are arg ari aro arr art at- ata atb atd ate atg ati ato atr att baa bab bad bae bag bai bao bar bat bba bbb bbd bbe bbg bbi bbo bbr bbt bda bdb bdd bde bdg bdi bdo bdr bdt be- bea beb bed bee beg bei beo ber bet bga bgb bgd bge bgg bgi bgo bgr bgt bi- bia bib bid bie big bii bio bir bit boa bob bod boe bog boi boo bor bot bra brb brd bre brg bri bro brr brt bta btb btd bte btg bti bto btr btt daa dab dad dae dag dai dao dar dat dba dbb dbd dbe dbg dbi dbo dbr dbt dda ddb ddd dde ddg ddi ddo ddr ddt de- dea deb ded dee deg dei deo der det dga dgd dge dgg dgi dgr dgt di- dia dib did die dig dii dio dir dit doa dob dod doe dog doi doo dor dot dra drb drd dre drg dri dro drr drt dta dtb dtd dte dtg dti dto dtr dtt eaa eab ead eae eag eai eao ear eat eba ebb ebd ebe ebg ebi ebo ebr ebt ed- eda edb edd ede edg edi edo edr edt eea eeb eed eee eeg eeo eer eet ega egb egd ege egg egi ego egr egt eia eib eid eie eig eii eio eir eit eo- eoa eob eod eoe eog eoi eoo eor eot era erb erd ere erg eri ero err ert eta etb etd ete etg eti eto etr ett g-d gaa gab gad gae gag gai gao gar gat gba gbd gbe gbg gbi gbo gbr gbt gda gdb gdd gde gdi gdo gdr gdt ge- gea geb ged gee geg gei geo ger get gga ggb ggd ggg ggi ggo ggr ggt gia gib gid gie gig gii gio gir git goa gob god goe gog goi goo gor got gra grb grd gre grg gri gro grr grt gta gtb gtd gte gtg gti gto gtr gtt i-d ia- iaa iab iad iae iag iai iao iar iat iba ibb ibd ibe ibg ibi ibo ibr ibt ida idb idd ide idg idi ido idr idt ie- iea ied iee ieg iei ier iet iga igb igd ige igg igi igo igr igt iia iib iid iie iii iio iir iit io- ioa iob iod ioe iog ioi ioo ior iot ir- ira irb ird ire irg iri iro irr irt ita itb itd ite itg iti ito itt o-i oaa oab oad oae oag oai oao oar oat ob- oba obb obd obe obg obi obo obr obt oda odb odd ode odg odi odo odr odt oea oeb oed oee oeg oei oeo oer oet oga ogd oge ogg ogi ogo ogt oia oib oid oie oii oio oir oit oo- ooa oob ood oog ooi ooo oor oot or- ora orb ord ore org ori oro orr ort ot- ota otb otd ote otg oti oto otr ott ra- raa rab rad rae rag rai rao rar rat rba rbb rbd rbe rbg rbi rbo rbr rbt rda rdb rdd rde rdg rdi rdo rdr rdt re- rea reb red ree reg rei reo rer ret rga rgb rgd rge rgg rgi rgo rgr rgt ria rib rid rie rig rii rio rir rit roa rob rod roe rog roi roo ror rot rra rrb rrd rrg rri rrr rrt rta rtb rtd rte rtg rti rto rtr rtt taa tab tad tae tag tai tao tar tat tba tbb tbd tbe tbg tbi tbo tbr tbt tda tdb tdd tde tdg tdi tdo tdr tdt te- tea teb ted tee teg tei teo ter tet tga tgb tge tgg tgi tgo tgr tgt tia tib tid tie tig tii tio tir tit to- toa tob tod toe tog toi too tor tot tra trb trd tre trg tri tro trr trt tta ttb ttd tte ttg tti tto ttr ttt

a-be a-do a-ii aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aabt aada aade aadi aadt aaea aage aaib aaii aaoe aaoo aara aard aare aari aaro aart aata aatt abaa abab abad abae abag abai abar abat abb- abba abbb abbe abbi abbo abbr abbt abda abdi abdo abed abee aber abet abgd abia abib abid abie abig abir abit aboa abob abod aboo abor abot abra abri abro abta adaa adab adad adae adag adai adao adar adat adba adbi adda addd adde addi addo addr adea adeb adee adeo ader adet adia adib adie adig adio adir adit adob adod adoe adog adoo ador adot adra adre adro adta aebi aede aedt aeer aega aeio aeit aer- aera aerd aeri aero aeta aeto aetr aett ag-o agad agag agai agao agar agat agba agbo agda agde agea aged agee agei ager aget agga agge aggi agia agib agid agie agig agii agio agir agit agob agod agog agoo agot agra agre agri agro agta agte agtr aiai aiba aibo aida aidb aide aidi aidr aidt aiea aiee aiet aiga aigo aiia aiib aiid aiir aioi aira aird aire airi airo airt aita aite aiti aitr aitt aoba aora aorb aort aotd arab arad arae arag arai arar arat arba arbe arbi arda arde ardi ardo area ared aree areg arei areo aret arga argb arge argi argo aria arib arid arie arig arii ario arit aroa arob arod aroe aroi aroo aror arr- arra arre arrg arri arro arrr arrt