-er a-a a-b a-i aaa aab aae aaf aai aar aas aau ab- aba abb abe abf abi abr abs abu aea aeb aee aef aei aer aes aeu af- afa afb afe aff afi afr afs afu ai- aia aib aie aif aii air ais aiu ar- ara arb are arf ari arr ars aru as- asa asb ase asf asi asr ass asu au- aua aub aue auf aui aur aus b-u baa bab bae baf bai bar bas bau bba bbb bbe bbf bbi bbr bbs bbu be- bea beb bee bef bei ber bes beu bfa bfb bfe bff bfi bfr bfs bfu bi- bia bib bie bif bii bir bis biu bra brb bre brf bri brr brs bru bsa bsb bse bsf bsi bsr bss bsu bua bub bue buf bui bur bus buu eaa eab eae eaf eai ear eas eau eba ebb ebe ebf ebi ebr ebs ebu eea eeb eee eef eer ees ef- efa efb efe eff efi efr efs eia eib eie eif eii eir eis eiu era erb ere erf eri err ers eru es- esa esb ese esf esi esr ess esu eu- eua eub eue euf eui eur eus faa fab fae faf fai far fas fau fba fbb fbe fbf fbi fbr fbs fbu fea feb fee fef fei fer fes feu ffa ffe fff ffi ffr ffs ffu fia fib fie fif fii fir fis fiu fra frb fre frf fri frr frs fru fsa fsb fse fsf fsi fsr fss fsu fua fub fue fuf fui fur fus fuu i-f ia- iaa iab iae iaf iai iar ias iau iba ibb ibe ibf ibi ibr ibs ibu ie- iea iee ief iei ier ies ifa ifb ife iff ifi ifr ifs ifu iia iib iie iif iii iir iis iiu ir- ira irb ire irf iri irr irs iru is- isa isb ise isf isi isr iss isu iu- iua iub iue iui iur ius ra- raa rab rae raf rai rar ras rau rba rbb rbe rbf rbi rbr rbs rbu re- rea reb ree ref rei rer res reu rfa rfb rfe rff rfi rfr rfs rfu ria rib rie rif rii rir ris rra rrb rrf rri rrr rrs rru rsa rsb rse rsf rsi rsr rss rsu rua rub rue ruf rui rur rus ruu saa sab sae saf sai sar sas sau sba sbb sbe sbf sbi sbr sbs sbu se- sea seb see sef sei ser ses seu sfa sfb sfe sff sfi sfr sfs sfu sia sib sie sif sii sir sis siu sr- sra srb sre srf sri srr srs ss- ssa ssb sse ssf ssi ssr sss ssu sua sub sue suf sui sur sus suu ua- uaa uab uae uaf uai uar uas uau uba ubb ube ubf ubi ubr ubs ubu uea ueb uee uef uei uer ues ufa ufe uff ufi ufr ufs ufu uia uib uie uif uii uir uis uiu ur- ura urb ure urf uri urr urs uru usa usb use usf usi usr uss usu uua uue uur uus uuu

-ase a-be a-fu a-ii aaaa aaab aaae aaaf aaai aaar aaas aaba aabb aabi aaea aaes aafa aafb aaff aafi aaib aaii aais aara aare aari aars aaru aasa aase aasf aasi aass aasu aaus abaa abab abae abaf abai abar abas abau abb- abba abbb abbe abbi abbr abbs abee aber abes abff abia abib abie abir abis abiu abra abri abrs abs- absa abse absf absi abss absu abua abue abuf abus aeaf aeas aebi aebs aeer aer- aera aeri aers aess afaa afar afbs afee afer afes affa affi affs afia afib afif afir afis afr- afra afre afri afrs afru afsa afsb afua afue afus aiai aias aiba aiea aiee aiff aifs aiia aiib aiir aira aire airi airs aisa aisb aise aisi aisr aiui arab arae araf arai arar aras arau arba arbe arbi arbs area aree aref arei ares areu arfa arfb arff arfs arfu aria arib arie arif arii aris arr- arra arre arri arrr arrs arru ars- arsa arse arsi arsu arua arub arue arui asaa asab asae asaf asai asar asas asau asba asbu asea asee aser ases asfa asfi asia asie asif asii asir asis asra asrs asru assa asse assi assr asss assu asub asue asui asur asus auaa aube auer aufe aufi aufs auis aur- aura aure auri ausa ause ausu ba-i baaa baaf baar baas baba babb babe babi babr babs babu baer baes baff baia baib baie bair bais bar- bara barb bare barf bari barr bars baru basa base basf basi bass basu bau- bauf baur bbas bbau bbbb bbbs bbeb beaf bear beas beau beba bebb bebe bebi beeb beef beer bees befa befe beff beia beir beis bera bere beri berr bers beru bes- besa bese bess beur bfas bffs bfsi bfsr biaf biar bias biba bibb bibe bibi bibs bieb bief bier bies bieu bifa biff bifi biis bira birb bire biri birr birs biru bis- bisa bise biss bisu brab brae braf brai bras brau brea breb bree bref brei brer bres brfu bria brie bris brrr brrs brsb brsr brue brus bsaa bsas bsea bseb bsee bser bses bsfa bsff bsfs bsra bsse buar buba bubb bube bubi bubs bubu buea buer bueu bufe buff bufr buie buif buir buis buiu bur- bura burb bure buri burr burs buru busa buse busi buss busu buus eaaf eaba eafb eaif eaiu eara earb eare ears easa ease easi eaus ebba ebbr ebbs eber ebes ebis ebru ebsa ebur ebus eeea eeee eees eefa eefe eera eers eese eesi efab efas efbr efes effa effi effs efsa efsi efua eiei eier eies eifs eira eire eirs eisa eise eiss eraf eras erau erba erbb erbe ereb erei erer eres erfs eria erie eris eriu erra erre errs ersa erse ersi erua erub erur erus esab esai esar esas esau