-er a-a a-b a-i aaa aab aad aae aag aai aar aax ab- aba abb abd abe abg abi abr abx ad- ada adb add ade adg adi adr adx aea aeb aed aee aeg aei aer aex ag- aga agb agd age agg agi agr agx ai- aia aib aid aie aig aii air aix ar- ara arb ard are arg ari arr arx ax- axa axe axi axr axx baa bab bad bae bag bai bar bax bba bbb bbd bbe bbg bbi bbr bbx bda bdb bdd bde bdg bdi bdr bdx be- bea beb bed bee beg bei ber bex bga bgb bgd bge bgg bgi bgr bgx bi- bia bib bid bie big bii bir bix bra brb brd bre brg bri brr brx bxb bxd bxi bxx daa dab dad dae dag dai dar dax dba dbb dbd dbe dbg dbi dbr dbx dda ddb ddd dde ddg ddi ddr ddx de- dea deb ded dee deg dei der dex dga dgd dge dgg dgi dgr di- dia dib did die dig dii dir dix dra drb drd dre drg dri drr drx dxd dxi dxr dxx eaa eab ead eae eag eai ear eax eba ebb ebd ebe ebg ebi ebr ebx ed- eda edb edd ede edg edi edr edx eea eeb eed eee eeg eer eex ega egb egd ege egg egi egr egx eia eib eid eie eig eii eir eix era erb erd ere erg eri err ex- exa exd exe exi exr exx g-d gaa gab gad gae gag gai gar gba gbd gbe gbg gbi gbr gbx gda gdb gdd gde gdi gdr gdx ge- gea geb ged gee geg gei ger gex gga ggb ggd ggg ggi ggr gia gib gid gie gig gii gir gra grb grd gre grg gri grr grx gxa i-d ia- iaa iab iad iae iag iai iar iba ibb ibd ibe ibg ibi ibr ibx ida idb idd ide idg idi idr idx ie- iea ied iee ieg iei ier iex iga igb igd ige igg igi igr iia iib iid iie iii iir iix ir- ira irb ird ire irg iri irr irx ixe ixi ra- raa rab rad rae rag rai rar rax rba rbb rbd rbe rbg rbi rbr rbx rda rdb rdd rde rdg rdi rdr rdx re- rea reb red ree reg rei rer rex rga rgb rgd rge rgg rgi rgr rgx ria rib rid rie rig rii rir rix rra rrb rrd rrg rri rrr rxr xaa xad xag xar xbe xbr xbx xda xdb xde xdi xdr xed xee xeg xer xex xge xgi xia xie xii xix xrd xrx xxi xxx

a-be a-ii aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aada aade aadi aaea aage aaib aaii aara aard aare aari abaa abab abad abae abag abai abar abax abb- abba abbb abbe abbi abbr abda abdi abed abee aber abgd abia abib abid abie abig abir abra abri adaa adab adad adae adag adai adar adba adbi adda addd adde addi addr adea adeb adee ader adia adib adie adig adir adra adre aebi aede aeer aega aer- aera aerd aeri agad agag agai agar agba agda agde agea aged agee agei ager agga agge aggi agia agib agid agie agig agii agir agra agre agri aiai aiba aida aidb aide aidi aidr aiea aiee aiga aiia aiib aiid aiir aira aird aire airi airx aixa aixi arab arad arae arag arai arar arax arba arbe arbi arda arde ardi area ared aree areg arei arex arga argb arge argi aria arib arid arie arig arii arr- arra arre arrg arri arrr axar axed axer axi- axia axie ba-i ba-x baaa baad baar baba babb babe babi babr bada badb badd bade badi badr baed baer baga bage bagg bagi baia baib baid baie baig bair baix bar- bara barb bard bare barg bari barr barx baxi bbad bbbb bbdd bbeb bbga bbrg bd-r bdii bead beag bear beba bebb bebe bebi beda bede bedi beeb beed beeg beer bega begg begi beia beir bera berd bere berg beri berr bgia biad biar biba bibb bibe bibi bida bide bidi bidr bidx bieb bied bier biga bigb bigd bige bigg bira birb bird bire birg biri birr birx bixa bixi brab brad brae brag brai brax brda brea breb bred bree breg brei brer brex bria brid brie brig brix brrr d-ix daab daad daae daag daar daba dabb dada dade dadi daeb daer daga dage dagg dagi dagr daia daid daie daig dair daix dara darb dard dare darg dari darr dbag dbar dddd ddie ddre dead deae dear deba debe debi deda dedd dede dedi deeb deed deeg deer dega dege degi deid deie deir der- dera derb dere derg deri derr dex- dexa dexe dgbx dgeg dgge dgia dia- diab diad diag diar diax diba dibb dibe dida dide didi diea dieb died dier diex diga dige digg digi diii dira dird dire dirr dixi draa drab drad drag drar drax drba drda drea dred dree dreg drei drge drib drie drix drra dxab dxbe dxbr dxdr dxed dxgd dxii dxix dxra dxrd dxre dxrr dxrx dxxr dxxx eaba eada eadb eadd eadi eaga eage eara earb eard eare ebba ebbr ebed eber ebid ebix edad edag edar edax edda edde eddi ede- edea edei eder edex edge edia edie edra eede eeea eeee eega eera eerg egaa egad egae egar egba egbe egea egee eger eggb egge eggi egir egra egre egri eid- eide eidi eidr eied eiei eier eige eigg eira eird eire er-x erad erba erbb erbe erda erde erdi ereb ered erei erer erg- erga ergg ergi eria erie erra erre exa- exai exda exed exer exge exgi exid exrx gaar gaba gabb gabe gabi gabr gada gadd gade gadi gaea gaed gaer gaga gage gagg gagi gaia gaid gaie gaig gair gara garb gard gare garg gari garr gbag