-er a-a a-b aaa aab aae aaf aah aao aar aas ab- aba abb abe abf abh abo abr abs aea aeb aee aef aeh aeo aer aes af- afa afb afe aff afh afo afr afs aha ahb ahe ahf ahh aho ahr ahs aoa aob aoe aof aoh aoo aor aos ar- ara arb are arf arh aro arr ars as- asa asb ase asf ash aso asr ass baa bab bae baf bah bao bar bas bba bbb bbe bbf bbh bbo bbr bbs be- bea beb bee bef beh beo ber bes bfa bfb bfe bff bfh bfo bfr bfs bha bhb bhe bhf bhh bho bhr bhs boa bob boe bof boh boo bor bos bra brb bre brf brh bro brr brs bsa bsb bse bsf bsh bso bsr bss eaa eab eae eaf eah eao ear eas eba ebb ebe ebf ebh ebo ebr ebs eea eeb eee eef eeo eer ees ef- efa efb efe eff efh efo efr efs eha ehb ehe ehf ehh eho ehr ehs eo- eoa eob eoe eof eoh eoo eor eos era erb ere erf erh ero err ers es- esa esb ese esf esh eso esr ess faa fab fae faf fah fao far fas fba fbb fbe fbf fbh fbo fbr fbs fea feb fee fef feh feo fer fes ffa ffe fff ffh ffo ffr ffs fha fhb fhe fhf fhh fho fhr fhs foa fob foe fof foh foo for fos fra frb fre frf frh fro frr frs fsa fsb fse fsf fsh fso fsr fss haa hab hae haf hah hao har has hba hbb hbe hbf hbh hbo hbr hbs he- hea heb hee hef heh heo her hes hfa hfb hfe hff hfh hfo hfr hfs hha hhb hhe hhf hhh hho hhr hhs hoa hob hoe hof hoh hoo hor hos hr- hra hrb hre hrf hrh hro hrr hrs hsa hsb hse hsf hsh hsr hss oaa oab oae oaf oah oao oar oas ob- oba obb obe obf obh obo obr obs oea oeb oee oef oeh oeo oer oes of- ofa ofb ofe off ofo ofr ofs oha ohe ohf ohh oho ohr ohs oo- ooa oob oof ooh ooo oor oos or- ora orb ore orf orh oro orr ors os- osa osb ose osf osh oso osr oss ra- raa rab rae raf rah rao rar ras rba rbb rbe rbf rbh rbo rbr rbs re- rea reb ree ref reh reo rer res rfa rfb rfe rff rfh rfo rfr rfs rh- rha rhb rhe rhf rhh rho rhr rhs roa rob roe rof roh roo ror ros rra rrb rrf rrh rrr rrs rsa rsb rse rsf rsh rso rsr rss saa sab sae saf sah sao sar sas sba sbb sbe sbf sbh sbo sbr sbs se- sea seb see sef seh seo ser ses sfa sfb sfe sff sfh sfo sfr sfs sh- sha shb she shf shh sho shr shs soa sob soe sof soh soo sor sos sr- sra srb sre srf srh sro srr srs ss- ssa ssb sse ssf ssh sso ssr sss

-ase -ose a-be a-ha aaaa aaab aaae aaaf aaah aaar aaas aaba aabb aabh aaea aaes aafa aafb aaff aaha aahs aaoe aaoo aara aare aaro aars aasa aase aasf aass abaa abab abae abaf abar abas abb- abba abbb abbe abbo abbr abbs abee aber abes abff abha abho abhr abhs aboa abob abof aboh aboo abor abos 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 afhs afoa afoe afoo afor afr- afra afre afro afrs afsa afsb ahab ahah ahar ahas ahfa ahha ahhs ahoa ahoe ahor ahra ahre ahrr ahrs ahsa ahse ahso ahss aoah aoba aora aorb aors aoss arab arae araf arah arar aras arba arbe arbh arbs area aree aref areh areo ares arfa arfb arff arfs arh- arhs aroa arob aroe aroo aror aros arr- arra arre arrh arro arrr arrs ars- arsa arse arso asaa asab asae asaf asah asao asar asas asba asbo asea asee aseh aser ases asfa asha ashe ashs asob asof asor asos asra asro asrs assa asse assh asso assr asss baaa baaf baah baar baas baba babb babe babo babr babs baer baes baff bafo baha baho bahr bahs baoh baos bar- bara barb bare barf barh baro barr bars basa base basf bash baso bass bbas bbbb bbbs bbeb bbhs beaf beah bear beas beba bebb bebe bebo beeb beef beer bees befa befe beff befo behr behs beo- beof beor beos bera bere bero berr bers bes- besa bese besh beso bess bfas bffs bfhs bfsr bhao bhar bher bhff bhhs bhor bhra bhsf boab boar boas boba bobb bobe bobo bobs boea boee boef boeo boer boes bofa bofe boff bofh bofs boha boho bohr bohs boob booe boof booh boor boos bor- bora bore borf borh boro borr bors bosa bose bosh boso boss brab brae braf brah brao bras brea breb bree bref breo brer bres brhs broa brob broe broh broo bror bros brrr brrs brsb brsr bsaa bsas bsea bseb bsee bser bses bsfa bsff bsfs bshs bsos bsra bsse eaaf eaba eabh eafb eahs eara earb eare earh earo ears easa ease easo ebba ebbo ebbr ebbs eber ebes ebhs eboe eboo ebor ebos ebro ebsa eeea eeee eees eefa eefe eehs eera eero eers eese efab efas efbr efeo efes effa effs efhs efor efsa efsh ehaa ehea eheh eher ehhs ehre eoes eora eore eraf eras erba erbb erbe ereb erer eres erfs erhs erob eroe eroo eros erra erre erro errs ersa erse ersh erso esab esar esas esba esbo esbs esea esee eseo eser eses esfs eshs eso- esos esra essa esse essh esso faaa faah faas faba fabe fabo fabs faeb faes fafa fafe faff