-er a-a a-b a-i aaa aab aae aag aai aao aar aau ab- aba abb abe abg abi abo abr abu aea aeb aee aeg aei aeo aer aeu ag- aga agb age agg agi ago agr agu ai- aia aib aie aig aii aio air aiu aoa aob aoe aog aoi aoo aor aou ar- ara arb are arg ari aro arr aru au- aua aub aue aug aui auo aur b-u baa bab bae bag bai bao bar bau bba bbb bbe bbg bbi bbo bbr bbu be- bea beb bee beg bei beo ber beu bga bgb bge bgg bgi bgo bgr bgu bi- bia bib bie big bii bio bir biu boa bob boe bog boi boo bor bou bra brb bre brg bri bro brr bru bua bub bue bug bui buo bur buu eaa eab eae eag eai eao ear eau eba ebb ebe ebg ebi ebo ebr ebu eea eeb eee eeg eeo eer ega egb ege egg egi ego egr egu eia eib eie eig eii eio eir eiu eo- eoa eob eoe eog eoi eoo eor eou era erb ere erg eri ero err eru eu- eua eub eue eug eui eur gaa gab gae gag gai gao gar gau gba gbe gbg gbi gbo gbr gbu ge- gea geb gee geg gei geo ger geu gga ggb ggg ggi ggo ggr ggu gia gib gie gig gii gio gir giu goa gob goe gog goi goo gor gou gra grb gre grg gri gro grr gru gu- gua gub gue gug gui guo gur guu ia- iaa iab iae iag iai iao iar iau iba ibb ibe ibg ibi ibo ibr ibu ie- iea iee ieg iei ier iga igb ige igg igi igo igr igu iia iib iie iii iio iir iiu io- ioa iob ioe iog ioi ioo ior iou ir- ira irb ire irg iri iro irr iru iu- iua iub iue iug iui iur o-i oaa oab oae oag oai oao oar oau ob- oba obb obe obg obi obo obr obu oea oeb oee oeg oei oeo oer oga oge ogg ogi ogo oia oib oie oii oio oir oiu oo- ooa oob oog ooi ooo oor or- ora orb ore org ori oro orr oru ou- oua oue oui ouo our ra- raa rab rae rag rai rao rar rau rba rbb rbe rbg rbi rbo rbr rbu re- rea reb ree reg rei reo rer reu rga rgb rge rgg rgi rgo rgr ria rib rie rig rii rio rir roa rob roe rog roi roo ror rou rra rrb rrg rri rrr rru rua rub rue rug rui ruo rur ruu ua- uaa uab uae uag uai uao uar uau uba ubb ube ubg ubi ubo ubr ubu uea ueb uee ueg uei uer uga ugb uge ugg ugi ugo ugr ugu uia uib uie uig uii uio uir uiu uoa uob uoe uog uoo uor ur- ura urb ure urg uri uro urr uru uua uue uug uur uuu

a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aaea aage aaib aaii aaoe aaoo aara aare aari aaro aaru abaa abab abae abag abai abar abau abb- abba abbb abbe abbi abbo abbr abee aber abia abib abie abig abir abiu aboa abob aboo abor abou abra abri abro abua abue abug aebi aeer aega aeio aer- aera aeri aero ag-o agag agai agao agar agau agba agbo agea agee agei ager agga agge aggi aggu agia agib agie agig agii agio agir agob agog agoo agou agra agre agri agro agua ague agui agur aiai aiba aibo aiea aiee aiga aigo aiia aiib aiir aioi aira aire airi airo aiui aoba aoeu aora aorb arab arae arag arai arar arau arba arbe arbi area aree areg arei areo areu arga argb arge argi argo aria arib arie arig arii ario aroa arob aroe aroi aroo aror arr- arra arre arrg arri arro arrr arru arua arub arue arug arui auaa aube auer auga auge augi aur- aura aure auri auro auug ba-i baaa baar baba babb babe babi babo babr babu baer baga bage bagg bagi bago baia baib baie baig baio bair bar- bara barb bare barg bari baro barr baru bau- baug baur bbau bbbb bbeb bbga bbrg beag bear beau beba bebb bebe bebi bebo beeb beeg beer bega begg begi bego begu beia beir beo- beor bera bere berg beri bero berr beru beur bgia biao biar biba bibb bibe bibi bibo bieb bier bieu biga bigb bige bigg bigo bigu bio- biog bioi biou bira birb bire birg biri biro birr biru boab boag boai boar boba bobb bobe bobi bobo bobu boea boee boeo boer boga boge bogg bogi bogo boi- boie boii boiu boob booe boog boor bor- bora bore borg bori boro borr boru boua boue bour brab brae brag brai brao brau brea breb bree breg brei breo brer bria brie brig brio broa brob broe brog broo bror brou brrr brue brug buar buba bubb bube bubi bubo bubu buea buer bueu buga buge bugg bugi bugo buie buir buiu bur- bura burb bure burg buri buro burr buru eaba eaga eage eaiu eara earb eare earo ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eega eera eerg eero egaa egae egao egar egba egbe egbu egea egee eger eggb egge eggi eggo egir ego- egoi egor egra egre egri eiao eiei eier eige eigg eiou eira eire eoir eora eore eori erau erba erbb erbe ereb erei erer erg- erga ergg ergi ergo eria erie erio eriu erob eroe eroi eroo erra erre erro erua erub erur euba eubi euer euge euoi eur- eura eure euro gaar gaba gabb gabe gabi gabo gabr gabu gaea gaer gaga gage gagg gagi gago gagu gaia gaie gaig gair gaiu gara garb gare garg gari garo garr gaua gaub gaue gaur gbag gbbo geab geai gear geba