-er a-a a-b aaa aab aae aaf aao aar aas aax ab- aba abb abe abf abo abr abs abx aea aeb aee aef aeo aer aes aex af- afa afb afe aff afo afr afs afx aoa aob aoe aof aoo aor aos aox ar- ara arb are arf aro arr ars arx as- asa asb ase asf aso asr ass asx ax- axa axe axo axr axs axx baa bab bae baf bao bar bas bax bba bbb bbe bbf bbo bbr bbs bbx be- bea beb bee bef beo ber bes bex bfa bfb bfe bff bfo bfr bfs bfx boa bob boe bof boo bor bos box bra brb bre brf bro brr brs brx bsa bsb bse bsf bso bsr bss bsx bxb bxo bxx eaa eab eae eaf eao ear eas eax eba ebb ebe ebf ebo ebr ebs ebx eea eeb eee eef eeo eer ees eex ef- efa efb efe eff efo efr efs efx eo- eoa eob eoe eof eoo eor eos era erb ere erf ero err ers es- esa esb ese esf eso esr ess esx ex- exa exe exo exr exs exx faa fab fae faf fao far fas fax fba fbb fbe fbf fbo fbr fbs fbx fea feb fee fef feo fer fes fex ffa ffe fff ffo ffr ffs ffx foa fob foe fof foo for fos fox fra frb fre frf fro frr frs fsa fsb fse fsf fso fsr fss fsx fxe fxr fxs fxx oaa oab oae oaf oao oar oas oax ob- oba obb obe obf obo obr obs obx oea oeb oee oef oeo oer oes oex of- ofa ofb ofe off ofo ofr ofs ofx oo- ooa oob oof ooo oor oos oox or- ora orb ore orf oro orr ors orx os- osa osb ose osf oso osr oss osx ox- oxa oxb oxf oxo oxx ra- raa rab rae raf rao rar ras rax rba rbb rbe rbf rbo rbr rbs rbx re- rea reb ree ref reo rer res rex rfa rfb rfe rff rfo rfr rfs roa rob roe rof roo ror ros rox rra rrb rrf rrr rrs rsa rsb rse rsf rso rsr rss rsx rxr rxs saa sab sae saf sao sar sas sax sba sbb sbe sbf sbo sbr sbs sbx se- sea seb see sef seo ser ses sex sfa sfb sfe sff sfo sfr sfs sfx soa sob soe sof soo sor sos sox sr- sra srb sre srf sro srr srs srx ss- ssa ssb sse ssf sso ssr sss ssx sxs xaa xaf xar xas xbe xbr xbx xee xer xes xex xfa xfe xfs xfx xoa xof xoo xor xos xox xrf xrx xsa xsb xss xxo xxx

-ase -ose a-be aaaa aaab aaae aaaf aaar aaas aaba aabb aaea aaes aafa aafb aaff aaoe aaoo aara aare aaro aars aasa aase aasf aass abaa abab abae abaf abar abas abax abb- abba abbb abbe abbo abbr abbs abee aber abes abff aboa abob abof aboo abor abos abox abra abro abrs abs- absa abse absf abss aeaf aeas aebs aeer aer- aera aero aers aess afaa afao afar afbs afee afer afes affa affo affs afoa afoe afoo afor afox afr- afra afre afro afrs afsa afsb afxe aoba aora aorb aors aoss arab arae araf arar aras arax arba arbe arbs area aree aref areo ares arex arfa arfb arff arfs aroa arob aroe aroo aror aros arr- arra arre arro arrr arrs ars- arsa arse arso asaa asab asae asaf asao asar asas asba asbo asea asee aser ases asfa asob asof asor asos asra asro asrs assa asse asso assr asss axaf axar axer axes axfr axfs axo- axoa axof axos axse axxo ba-x baaa baaf baar baas baba babb babe babo babr babs baer baes baff bafo baos bar- bara barb bare barf baro barr bars barx basa base basf baso bass bbas bbbb bbbs bbeb bbox beaf bear beas beba bebb bebe bebo beeb beef beer bees befa befe beff befo beo- beof beor beos bera bere bero berr bers bes- besa bese beso bess bfas bffs bfsr boab boar boas boba bobb bobe bobo bobs boea boee boef boeo boer boes bofa bofe boff bofs boob booe boof boor boos boox bor- bora bore borf boro borr bors bosa bose boso boss boxa brab brae braf brao bras brax brea breb bree bref breo brer bres brex broa brob broe broo bror bros brox brrr brrs brsb brsr bsaa bsas bsea bseb bsee bser bses bsfa bsff bsfs bsos bsra bsse eaaf eaba eafb eara earb eare earo ears easa ease easo ebba ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebox ebro ebsa eeea eeee eees eefa eefe eera eero eers eese efab efas efax efbr efeo efes effa effs efor efsa eoes eora eore er-x eraf eras erba erbb erbe ereb erer eres erfs erfx erob eroe eroo eros erra erre erro errs ersa erse erso esab esar esas esba esbo esbs esea esee eseo eser eses esfs eso- esos esox esra essa esse esso exa- exer exes exfo exo- exor exos exrx faaa faas faba fabe fabo fabs faeb faes faex fafa fafe faff fafo fara farb fare faro farr fars fasa fase faso fass faxe fbar fbrs feaf fear feas feba febo febs feeb feer fees fefe feff fefo feof fera ferb fere fero ferr fers fesa fese fess ffar ffee ffff ffrr ffsa ffss foaf foar foba fobs foer foes fofo foof foos for- fora forb fore foro forr fors fosa fosb foso foss foxe foxx frab frae fras frax frea free freo fres frex frob froe fros frsb frso fsas fsfo fsra fssa fssf o-eo oaer oaes oafo oafs oara oare oars oase oass obas obba obbo obea ober obes obex oboe obor obos obox obra obre obro obsr obss oeax oera oere oers oese ofas ofer off- offa offe offo offr