-er a-a a-b a-i aaa aab aad aae aag aai aao aar aau ab- aba abb abd abe abg abi abo abr abu ad- ada adb add ade adg adi ado adr adu aea aeb aed aee aeg aei aeo aer aeu ag- aga agb agd age agg agi ago agr agu ai- aia aib aid aie aig aii aio air aiu aoa aob aod aoe aog aoi aoo aor aou ar- ara arb ard are arg ari aro arr aru au- aua aub aud aue aug aui auo aur b-u baa bab bad bae bag bai bao bar bau bba bbb bbd bbe bbg bbi bbo bbr bbu bda bdb bdd bde bdg bdi bdo bdr bdu be- bea beb bed bee beg bei beo ber beu bga bgb bgd bge bgg bgi bgo bgr bgu bi- bia bib bid bie big bii bio bir biu boa bob bod boe bog boi boo bor bou bra brb brd bre brg bri bro brr bru bua bub bud bue bug bui buo bur buu daa dab dad dae dag dai dao dar dau dba dbb dbd dbe dbg dbi dbo dbr dbu dda ddb ddd dde ddg ddi ddo ddr ddu de- dea deb ded dee deg dei deo der deu dga dgd dge dgg dgi dgr dgu di- dia dib did die dig dii dio dir diu doa dob dod doe dog doi doo dor dou dra drb drd dre drg dri dro drr dru dua dub dud due dug dui duo dur eaa eab ead eae eag eai eao ear eau eba ebb ebd ebe ebg ebi ebo ebr ebu ed- eda edb edd ede edg edi edo edr edu eea eeb eed eee eeg eeo eer ega egb egd ege egg egi ego egr egu eia eib eid eie eig eii eio eir eiu eo- eoa eob eod eoe eog eoi eoo eor eou era erb erd ere erg eri ero err eru eu- eua eub eud eue eug eui eur g-d gaa gab gad gae gag gai gao gar gau gba gbd gbe gbg gbi gbo gbr gbu gda gdb gdd gde gdi gdo gdr gdu ge- gea geb ged gee geg gei geo ger geu gga ggb ggd ggg ggi ggo ggr ggu gia gib gid gie gig gii gio gir giu goa gob god goe gog goi goo gor gou gra grb grd gre grg gri gro grr gru gu- gua gub gud gue gug gui guo gur guu i-d ia- iaa iab iad iae iag iai iao iar iau iba ibb ibd ibe ibg ibi ibo ibr ibu ida idb idd ide idg idi ido idr idu ie- iea ied iee ieg iei ier iga igb igd ige igg igi igo igr igu iia iib iid iie iii iio iir iiu io- ioa iob iod ioe iog ioi ioo ior iou ir- ira irb ird ire irg iri iro irr iru iu- iua iub iud iue iug iui iur o-i oaa oab oad oae oag oai oao oar oau ob- oba obb obd obe obg obi obo obr obu oda odb odd ode odg odi odo odr odu oea oeb oed oee oeg oei oeo oer oga ogd oge ogg ogi ogo oia oib oid oie oii oio oir oiu oo- ooa oob ood oog ooi ooo oor or- ora orb ord ore org ori oro orr oru ou- oua oud oue oui ouo our ra- raa rab rad rae rag rai rao rar rau rba rbb rbd rbe rbg rbi rbo rbr rbu rda rdb rdd rde rdg rdi rdo rdr rdu re- rea reb red ree reg rei reo rer reu rga rgb rgd rge rgg rgi rgo rgr ria rib rid rie rig rii rio rir roa rob rod roe rog roi roo ror rou rra rrb rrd rrg rri rrr rru rua rub rud rue rug rui ruo rur ruu ua- uaa uab uad uae uag uai uao uar uau uba ubb ube ubg ubi ubo ubr ubu uda udb udd ude udg udi udo udr udu uea ueb ued uee ueg uei uer uga ugb uge ugg ugi ugo ugr ugu uia uib uid uie uig uii uio uir uiu uoa uob uod uoe uog uoo uor ur- ura urb urd ure urg uri uro urr uru uua uue uug uur uuu

a-be a-do a-ii aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aada aade aadi aadu aaea aage aaib aaii aaoe aaoo aara aard aare aari aaro aaru abaa abab abad abae abag abai abar abau abb- abba abbb abbe abbi abbo abbr abda abdi abdo abdu abed abee aber abgd abia abib abid abie abig abir abiu aboa abob abod aboo abor abou abra abri abro abua abud abue abug adaa adab adad adae adag adai adao adar adba adbi adda addd adde addi addo addr addu adea adeb adee adeo ader adia adib adie adig adio adir adob adod adoe adog adoo ador adra adre adro adua adub adue adur aebi aede aeer aega aeio aer- aera aerd aeri aero ag-o agad agag agai agao agar agau agba agbo agda agde agea aged agee agei ager agga agge aggi aggu agia agib agid agie agig agii agio agir agob agod agog agoo agou agra agre agri agro agua ague agui agur aiai aiba aibo aida aidb aide aidi aidr aidu aiea aiee aiga aigo aiia aiib aiid aiir aioi aira aird aire airi airo aiud aiui aoba aoeu aora aorb arab arad arae arag arai arar arau arba arbe arbi arda arde ardi ardo ardu area ared aree areg arei areo areu arga argb arge argi argo aria arib arid arie arig arii ario aroa arob arod aroe aroi aroo aror arr- arra arre arrg arri arro arrr arru arua arub arud arue arug arui auaa aube aude audi audo auer auga auge augi aur- aura aurd aure auri auro auug ba-i baaa baad baar baba babb babe babi babo babr babu bada