-er a-a a-b a-i aaa aab aae aag aai aar aau ab- aba abb abe abg abi abr abu aea aeb aee aeg aei aer aeu ag- aga agb age agg agi agr agu ai- aia aib aie aig aii air aiu ar- ara arb are arg ari arr aru au- aua aub aue aug aui aur b-u baa bab bae bag bai bar bau bba bbb bbe bbg bbi bbr bbu be- bea beb bee beg bei ber beu bga bgb bge bgg bgi bgr bgu bi- bia bib bie big bii bir biu bra brb bre brg bri brr bru bua bub bue bug bui bur buu eaa eab eae eag eai ear eau eba ebb ebe ebg ebi ebr ebu eea eeb eee eeg eer ega egb ege egg egi egr egu eia eib eie eig eii eir eiu era erb ere erg eri err eru eu- eua eub eue eug eui eur gaa gab gae gag gai gar gau gba gbe gbg gbi gbr gbu ge- gea geb gee geg gei ger geu gga ggb ggg ggi ggr ggu gia gib gie gig gii gir giu gra grb gre grg gri grr gru gu- gua gub gue gug gui gur guu ia- iaa iab iae iag iai iar iau iba ibb ibe ibg ibi ibr ibu ie- iea iee ieg iei ier iga igb ige igg igi igr igu iia iib iie iii iir iiu ir- ira irb ire irg iri irr iru iu- iua iub iue iug iui iur ra- raa rab rae rag rai rar rau rba rbb rbe rbg rbi rbr rbu re- rea reb ree reg rei rer reu rga rgb rge rgg rgi rgr ria rib rie rig rii rir rra rrb rrg rri rrr rru rua rub rue rug rui rur ruu ua- uaa uab uae uag uai uar uau uba ubb ube ubg ubi ubr ubu uea ueb uee ueg uei uer uga ugb uge ugg ugi ugr ugu uia uib uie uig uii uir uiu ur- ura urb ure urg uri urr uru uua uue uug uur uuu

a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aaea aage aaib aaii aara aare aari aaru abaa abab abae abag abai abar abau abb- abba abbb abbe abbi abbr abee aber abia abib abie abig abir abiu abra abri abua abue abug aebi aeer aega aer- aera aeri agag agai agar agau agba agea agee agei ager agga agge aggi aggu agia agib agie agig agii agir agra agre agri agua ague agui agur aiai aiba aiea aiee aiga aiia aiib aiir aira aire airi aiui arab arae arag arai arar arau arba arbe arbi area aree areg arei areu arga argb arge argi aria arib arie arig arii arr- arra arre arrg arri arrr arru arua arub arue arug arui auaa aube auer auga auge augi aur- aura aure auri auug ba-i baaa baar baba babb babe babi babr babu baer baga bage bagg bagi baia baib baie baig bair bar- bara barb bare barg bari barr baru bau- baug baur bbau bbbb bbeb bbga bbrg beag bear beau beba bebb bebe bebi beeb beeg beer bega begg begi begu beia beir bera bere berg beri berr beru beur bgia biar biba bibb bibe bibi bieb bier bieu biga bigb bige bigg bigu bira birb bire birg biri birr biru brab brae brag brai brau brea breb bree breg brei brer bria brie brig brrr brue brug buar buba bubb bube bubi bubu buea buer bueu buga buge bugg bugi buie buir buiu bur- bura burb bure burg buri burr buru eaba eaga eage eaiu eara earb eare ebba ebbr eber ebru ebur eeea eeee eega eera eerg egaa egae egar egba egbe egbu egea egee eger eggb egge eggi egir egra egre egri eiei eier eige eigg eira eire erau erba erbb erbe ereb erei erer erg- erga ergg ergi eria erie eriu erra erre erua erub erur euba eubi euer euge eur- eura eure gaar gaba gabb gabe gabi gabr gabu gaea gaer gaga gage gagg gagi gagu gaia gaie gaig gair gaiu gara garb gare garg gari garr gaua gaub gaue gaur gbag geab geai gear geba gebe gebi geer gege gegg geia geie geig geir gera gerb gere geri geru geue gggg giaa giai giba gibb gibe gier giga gige gigg gigi gira gire girg giri girr giru giue giur grab grae grai grau grbr grea greb gree greg greu gria grib grie grig grrr grua grub grue grug grui grur guaa guag guar guba gubb gubi gubu guer guga gugb guge gugg gugi gugu guia guib gura gurb gure gurg guri gurr guru i-be iaaa iaai iaba iaea iaia iara iare iaru ibar ibea ibeg ibga ibge ibia ibie ibra ibri ieie iera iere ieri igar igba igea iger igga igia igra igri igua igue iiie iiii iira irae irai irar irbe iree irer iri- iria irie irig irra irre irri iuge iuiu iura raab raag raba rabb rabe rabi rabu raeg raer raga rage ragg ragi ragu raia raie raig raii rair raiu rara rarb rare rari raua raub raue rbbb rbbr rea- reae rear reau reba rebb rebe rebu reeb rega rege regi regr regu reia reii reir reiu rera rere rerg reri reru reue reuu rgba rgbe rgbi riaa riab riai riau rib- riba ribe ribu rier rieu riga rige rigg rigi rigu riia rire riri riue rrrr ruag ruba rubb rube rubi rubu ruer ruga ruge rugg rugi rura rure ruri ruru u-ie uair uaru uaua ubar ubba ubbe ubbi uber ubii ubir ubra ueba ueir ugab ugar ugia ugra ugri ugur uguu uige uira uirr urai urau urba urbe urbi ure- urea urga urge urgi urgu uria urib urie uriu urra urre urri urur uuri uuuu

-aaa- a-gei a-iii aaaai aaaee aaarg aabaa aabba aabga aabra aaeri aaiib aarau aaria abaab ababa ababe ababu abaer abaga abaia abaie abair abara abare abari abaru abbai abbar abbia abbie