-er a-a a-b a-i aaa aab aae aaf aai aao aar aas ab- aba abb abe abf abi abo abr abs aea aeb aee aef aei aeo aer aes af- afa afb afe aff afi afo afr afs ai- aia aib aie aif aii aio air ais aoa aob aoe aof aoi aoo aor aos ar- ara arb are arf ari aro arr ars as- asa asb ase asf asi aso asr ass baa bab bae baf bai bao bar bas bba bbb bbe bbf bbi bbo bbr bbs be- bea beb bee bef bei beo ber bes bfa bfb bfe bff bfi bfo bfr bfs bi- bia bib bie bif bii bio bir bis boa bob boe bof boi boo bor bos bra brb bre brf bri bro brr brs bsa bsb bse bsf bsi bso bsr bss eaa eab eae eaf eai eao ear eas eba ebb ebe ebf ebi ebo ebr ebs eea eeb eee eef eeo eer ees ef- efa efb efe eff efi efo efr efs eia eib eie eif eii eio eir eis eo- eoa eob eoe eof eoi eoo eor eos era erb ere erf eri ero err ers es- esa esb ese esf esi eso esr ess faa fab fae faf fai fao far fas fba fbb fbe fbf fbi fbo fbr fbs fea feb fee fef fei feo fer fes ffa ffe fff ffi ffo ffr ffs fia fib fie fif fii fir fis foa fob foe fof foi foo for fos fra frb fre frf fri fro frr frs fsa fsb fse fsf fsi fso fsr fss i-f ia- iaa iab iae iaf iai iao iar ias iba ibb ibe ibf ibi ibo ibr ibs ie- iea iee ief iei ier ies ifa ifb ife iff ifi ifo ifr ifs iia iib iie iif iii iio iir iis io- ioa iob ioe iof ioi ioo ior ios ir- ira irb ire irf iri iro irr irs is- isa isb ise isf isi iso isr iss o-i oaa oab oae oaf oai oao oar oas ob- oba obb obe obf obi obo obr obs oea oeb oee oef oei oeo oer oes of- ofa ofb ofe off ofi ofo ofr ofs oia oib oie oif oii oio oir ois oo- ooa oob oof ooi ooo oor oos or- ora orb ore orf ori oro orr ors os- osa osb ose osf osi oso osr oss ra- raa rab rae raf rai rao rar ras rba rbb rbe rbf rbi rbo rbr rbs re- rea reb ree ref rei reo rer res rfa rfb rfe rff rfi rfo rfr rfs ria rib rie rif rii rio rir ris roa rob roe rof roi roo ror ros rra rrb rrf rri rrr rrs rsa rsb rse rsf rsi rso rsr rss saa sab sae saf sai sao sar sas sba sbb sbe sbf sbi sbo sbr sbs se- sea seb see sef sei seo ser ses sfa sfb sfe sff sfi sfo sfr sfs sia sib sie sif sii sio sir sis soa sob soe sof soi soo sor sos sr- sra srb sre srf sri sro srr srs ss- ssa ssb sse ssf ssi sso ssr sss

-ase -ose a-be a-ii aaaa aaab aaae aaaf aaai aaar aaas aaba aabb aabi aaea aaes aafa aafb aaff aafi aaib aaii aais aaoe aaoo aara aare aari aaro aars aasa aase aasf aasi aass abaa abab abae abaf abai abar abas abb- abba abbb abbe abbi abbo abbr abbs abee aber abes abff abia abib abie abir abis aboa abob abof aboo abor abos abra abri abro abrs abs- absa abse absf absi abss aeaf aeas aebi aebs aeer aeio aer- aera aeri aero aers aess afaa afao afar afbs afee afer afes affa affi affo affs afia afib afif afir afis afoa afoe afoo afor afr- afra afre afri afro afrs afsa afsb aiai aias aiba aibo aiea aiee aiff aifs aiia aiib aiir aioi aira aire airi airo airs aisa aisb aise aisi aiso aisr aoba aora aorb aors aoss arab arae araf arai arar aras arba arbe arbi arbs area aree aref arei areo ares arfa arfb arff arfs aria arib arie arif arii ario aris aroa arob aroe aroi aroo aror aros arr- arra arre arri arro arrr arrs ars- arsa arse arsi arso asaa asab asae asaf asai asao asar asas asba asbo asea asee aser ases asfa asfi asia asie asif asii asio asir asis asob asof asoi asor asos asra asro asrs assa asse assi asso assr asss ba-i baaa baaf baar baas baba babb babe babi babo babr babs baer baes baff bafo baia baib baie baio bair bais baos bar- bara barb bare barf bari baro barr bars basa base basf basi baso bass bbas bbbb bbbs bbeb beaf bear beas beba bebb bebe bebi bebo beeb beef beer bees befa befe beff befo beia beir beis beo- beof beor beos bera bere beri bero berr bers bes- besa bese beso bess bfas bffs bfsi bfsr biaf biao biar bias biba bibb bibe bibi bibo bibs bieb bief bier bies bifa biff bifi biis bio- bioi bios bira birb bire biri biro birr birs bis- bisa bise biso biss boab boai boar boas boba bobb bobe bobi bobo bobs boea boee boef boeo boer boes bofa bofe boff bofs boi- boie boii bois boob booe boof boor boos bor- bora bore borf bori boro borr bors bosa bose bosi boso boss brab brae braf brai brao bras brea breb bree bref brei breo brer bres bria brie brio bris broa brob broe broo bror bros brrr brrs brsb brsr bsaa bsas bsea bseb bsee bser bses bsfa bsff bsfs bsos bsra bsse eaaf eaba eafb eaif eara earb eare earo ears easa ease easi easo ebba ebbo ebbr ebbs eber ebes ebis eboe eboo ebor ebos ebro ebsa eeea eeee eees eefa eefe eera eero eers eese eesi efab efas efbr efeo efes effa effi