-er a-a a-b aaa aab aae aao aar aas aax ab- aba abb abe abo abr abs abx aea aeb aee aeo aer aes aex aoa aob aoe aoo aor aos aox ar- ara arb are aro arr ars arx as- asa asb ase aso asr ass asx ax- axa axe axo axr axs axx baa bab bae bao bar bas bax bba bbb bbe bbo bbr bbs bbx be- bea beb bee beo ber bes bex boa bob boe boo bor bos box bra brb bre bro brr brs brx bsa bsb bse bso bsr bss bsx bxb bxo bxx eaa eab eae eao ear eas eax eba ebb ebe ebo ebr ebs ebx eea eeb eee eeo eer ees eex eo- eoa eob eoe eoo eor eos era erb ere ero err ers es- esa esb ese eso esr ess esx ex- exa exe exo exr exs exx oaa oab oae oao oar oas oax ob- oba obb obe obo obr obs obx oea oeb oee oeo oer oes oex oo- ooa oob ooo oor oos oox or- ora orb ore oro orr ors orx os- osa osb ose oso osr oss osx ox- oxa oxb oxo oxx ra- raa rab rae rao rar ras rax rba rbb rbe rbo rbr rbs rbx re- rea reb ree reo rer res rex roa rob roe roo ror ros rox rra rrb rrr rrs rsa rsb rse rso rsr rss rsx rxr rxs saa sab sae sao sar sas sax sba sbb sbe sbo sbr sbs sbx se- sea seb see seo ser ses sex soa sob soe soo sor sos sox sr- sra srb sre sro srr srs srx ss- ssa ssb sse sso ssr sss ssx sxs xaa xar xas xbe xbr xbx xee xer xes xex xoa xoo xor xos xox xrx xsa xsb xss xxo xxx

-ase -ose a-be aaaa aaab aaae aaar aaas aaba aabb aaea aaes aaoe aaoo aara aare aaro aars aasa aase aass abaa abab abae abar abas abax abb- abba abbb abbe abbo abbr abbs abee aber abes aboa abob aboo abor abos abox abra abro abrs abs- absa abse abss aeas aebs aeer aer- aera aero aers aess aoba aora aorb aors aoss arab arae arar aras arax arba arbe arbs area aree areo ares arex aroa arob aroe aroo aror aros arr- arra arre arro arrr arrs ars- arsa arse arso asaa asab asae asao asar asas asba asbo asea asee aser ases asob asor asos asra asro asrs assa asse asso assr asss axar axer axes axo- axoa axos axse axxo ba-x baaa baar baas baba babb babe babo babr babs baer baes baos bar- bara barb bare baro barr bars barx basa base baso bass bbas bbbb bbbs bbeb bbox bear beas beba bebb bebe bebo beeb beer bees beo- beor beos bera bere bero berr bers bes- besa bese beso bess boab boar boas boba bobb bobe bobo bobs boea boee boeo boer boes boob booe boor boos boox bor- bora bore boro borr bors bosa bose boso boss boxa brab brae brao bras brax brea breb bree breo brer bres brex broa brob broe broo bror bros brox brrr brrs brsb brsr bsaa bsas bsea bseb bsee bser bses bsos bsra bsse eaba eara earb eare earo ears easa ease easo ebba ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebox ebro ebsa eeea eeee eees eera eero eers eese eoes eora eore er-x eras erba erbb erbe ereb erer eres erob eroe eroo eros erra erre erro errs ersa erse erso esab esar esas esba esbo esbs esea esee eseo eser eses eso- esos esox esra essa esse esso exa- exer exes exo- exor exos exrx o-eo oaer oaes 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 ooaa ooba oobe ooer ooes oooo ooos oora oore oosa oose orab orae orao orar oras orba orbb orbe orbo orbs ore- orea oreb oreo orer ores orex oro- oroe oror oros orra orro orrs orsa orse orso osar osas osba osbe osea osee oser oses osoo osor osos osro ossa ossb osse osso oxa- oxea oxer oxes oxo- oxos oxox oxxo raab raas raba rabb rabe rabo rabs raer raes raob raos rara rarb rare raro rars rasa rase raso rass raxa rbbb rbbr rbbs rbss rea- reae reao rear reas reba rebb rebe rebo rebs reeb rees reos rera rere rero rers resa rese reso ress rexx roab roar roas rob- roba robb robe robo robs roea roer roes roob roor roos roox rora rore roro rosa rose roso ross roxa roxo rras rrrr rsaa rsee rsos rsre rssa rxes s-os sa-x saab saae saar saas saba sabb sabe sabo sabr sabs saeb saer saes saex saor saos sara sare saro sarr sars sasa sase saso sass saxa saxe saxo sbaa sbar sbas sbbs sber sbor sbsa sbse se-e se-o se-s se-x seaa seab sear seas seax seba sebe sebo sebs seea seeb seer sees seex sera serb sere sero serr sers sesa sese seso sess sex- sexe soar soas soba sobe sobo sobr sobs soea soeo soes soor soos sora sorb sore soro sorr sors sosa sose soso soss soxs sras sreb sreo sres sros ssaa ssab ssao ssas ssbr ssee sses ssex ssra ssrs sssa sssb ssss xaar xaos xara xare xbar xbee xbox xbra xeer xer- xera xero xers xexe xoro xors xosa xoxo xxxo xxxx

-aaa- a-box a-sea aaaas aaaee aaasa aaass aabaa aabba aabra aasee aasra abaab ababa ababe ababs abaer abara abare abasa abase abass abbar abbas abbes abbos abbrs abear abeba abebe abeer abees abera abere aberr aboab abobo abora abore aboso abrar abras abres absar absee aeaea aebbe aereo aeres aero- aeroe aeros aesoo aoos ar-ab arab- araba arabe arabo arabs araea arara arare arars arase arass araxa arbab arbar arbas arbee arber arbor arbos arbre areae arear