-er a-a a-b a-i aaa aab aae aaf aai aar aau ab- aba abb abe abf abi abr abu aea aeb aee aef aei aer aeu af- afa afb afe aff afi afr afu ai- aia aib aie aif aii air aiu ar- ara arb are arf ari arr aru au- aua aub aue auf aui aur b-u baa bab bae baf bai bar bau bba bbb bbe bbf bbi bbr bbu be- bea beb bee bef bei ber beu bfa bfb bfe bff bfi bfr bfu bi- bia bib bie bif bii bir biu bra brb bre brf bri brr bru bua bub bue buf bui bur buu eaa eab eae eaf eai ear eau eba ebb ebe ebf ebi ebr ebu eea eeb eee eef eer ef- efa efb efe eff efi efr eia eib eie eif eii eir eiu era erb ere erf eri err eru eu- eua eub eue euf eui eur faa fab fae faf fai far fau fba fbb fbe fbf fbi fbr fbu fea feb fee fef fei fer feu ffa ffe fff ffi ffr ffu fia fib fie fif fii fir fiu fra frb fre frf fri frr fru fua fub fue fuf fui fur fuu i-f ia- iaa iab iae iaf iai iar iau iba ibb ibe ibf ibi ibr ibu ie- iea iee ief iei ier ifa ifb ife iff ifi ifr ifu iia iib iie iif iii iir iiu ir- ira irb ire irf iri irr iru iu- iua iub iue iui iur ra- raa rab rae raf rai rar rau rba rbb rbe rbf rbi rbr rbu re- rea reb ree ref rei rer reu rfa rfb rfe rff rfi rfr rfu ria rib rie rif rii rir rra rrb rrf rri rrr rru rua rub rue ruf rui rur ruu ua- uaa uab uae uaf uai uar uau uba ubb ube ubf ubi ubr ubu uea ueb uee uef uei uer ufa ufe uff ufi ufr ufu uia uib uie uif uii uir uiu ur- ura urb ure urf uri urr uru uua uue uur uuu

a-be a-fu a-ii aaaa aaab aaae aaaf aaai aaar aaba aabb aabi aaea aafa aafb aaff aafi aaib aaii aara aare aari aaru abaa abab abae abaf abai abar abau abb- abba abbb abbe abbi abbr abee aber abff abia abib abie abir abiu abra abri abua abue abuf aeaf aebi aeer aer- aera aeri afaa afar afee afer affa affi afia afib afif afir afr- afra afre afri afru afua afue aiai aiba aiea aiee aiff aiia aiib aiir aira aire airi aiui arab arae araf arai arar arau arba arbe arbi area aree aref arei areu arfa arfb arff arfu aria arib arie arif arii arr- arra arre arri arrr arru arua arub arue arui auaa aube auer aufe aufi aur- aura aure auri ba-i baaa baaf baar baba babb babe babi babr babu baer baff baia baib baie bair bar- bara barb bare barf bari barr baru bau- bauf baur bbau bbbb bbeb beaf bear beau beba bebb bebe bebi beeb beef beer befa befe beff beia beir bera bere beri berr beru beur biaf biar biba bibb bibe bibi bieb bief bier bieu bifa biff bifi bira birb bire biri birr biru brab brae braf brai brau brea breb bree bref brei brer brfu bria brie brrr brue buar buba bubb bube bubi bubu buea buer bueu bufe buff bufr buie buif buir buiu bur- bura burb bure buri burr buru eaaf eaba eafb eaif eaiu eara earb eare ebba ebbr eber ebru ebur eeea eeee eefa eefe eera efab efbr effa effi efua eiei eier eira eire eraf erau erba erbb erbe ereb erei erer eria erie eriu erra erre erua erub erur euba eubi euer eufi eur- eura eure faaa faba fabe fabi fabu faeb fafa fafe faff fafi faie fair fara farb fare farr faru faue faur fbar feaf fear feba feeb feer fefe feff fefi feia feie feir fera ferb fere ferr feru ffar ffee ffff ffii ffrr fiaa fiaf fiar fiba fibe fief fier fifa fife fiff fifi fiii fira fire fiua frab frae frau frea free frei fria frib frie frub frue fuar fubb fubu fuff fufu fuir fur- fura fure furi furr i-be iaaa iaai iaba iaea iafe iaff iaia iara iare iaru ibar ibea ibfi ibia ibie ibra ibri ieie iera iere ieri ifaa ifae ifar ifbb ifer ifra ifrb ifrf ifri iifa iiie iiii iira irae iraf irai irar irbe iree irer irfe irfu iri- iria irie irra irre irri iuef iuiu iura raab raaf raba rabb rabe rabi rabu raef raer rafa rafe raff rafi raia raie raif raii rair raiu rara rarb rare rarf rari raua raub raue rauf rbaf rbbb rbbr rea- reae reaf rear reau reba rebb rebe rebu reeb reef refe reff refi refr refu reia reif reii reir reiu rera rere reri reru reue reuf reuu rfae rfef riaa riab riai riau rib- riba ribe ribu rief rier rieu rifa rife riff rifu riia riif rire riri riue rrif rrrr ruba rubb rube rubi rubu ruer rufa rufe ruff ruif rura rure ruri ruru u-ie uafa uair uaru uaua ubar ubba ubbe ubbi uber ubii ubir ubra ueba uefa ueir ufer uffa uffe ufra uira uirr urai urau urba urbe urbi ure- urea urfa urfe urff urfi uria urib urie urif uriu urra urre urri urur uuri uuuu

-aaa- a-fib a-iii aaaai aaaee aabaa aabba aabra aaeaf aaeri aafir aaiib aarau aaria abaab ababa ababe ababu abaer abaia abaie abair abara abare abari abaru abbai abbar abbia abbie abbur abear abeau abeba abebe abeer abeie abera abere aberr abfab abira abrar abreu abura aburi aburr aeaea aebbe aeri- aeria aerie aerru afair afaiu afara afare afari afear afefe afeir afere afeur affer affif afief afifa afife afire afree afure aiaff aiaia aibar aibre aifar aife airai airba airer aiura ar-ab arab- araba arabe arabi araea araia araie arara arare arari araru arbab