-er a-a a-b aaa aab aad aae aaf aao aar aas ab- aba abb abd abe abf abo abr abs ad- ada adb add ade adf ado adr ads aea aeb aed aee aef aeo aer aes af- afa afb afd afe aff afo afr afs aoa aob aod aoe aof aoo aor aos ar- ara arb ard are arf aro arr ars as- asa asb asd ase asf aso asr ass baa bab bad bae baf bao bar bas bba bbb bbd bbe bbf bbo bbr bbs bda bdb bdd bde bdf bdo bdr bds be- bea beb bed bee bef beo ber bes bfa bfb bfd bfe bff bfo bfr bfs boa bob bod boe bof boo bor bos bra brb brd bre brf bro brr brs bsa bsb bsd bse bsf bso bsr bss daa dab dad dae daf dao dar das dba dbb dbd dbe dbf dbo dbr dbs dda ddb ddd dde ddf ddo ddr dds de- dea deb ded dee def deo der des dfa dfb dfd dfe dff dfo dfr dfs doa dob dod doe dof doo dor dos dra drb drd dre dro drr drs dsa dsb dsd dse dsf dso dsr dss eaa eab ead eae eaf eao ear eas eba ebb ebd ebe ebf ebo ebr ebs ed- eda edb edd ede edf edo edr eds eea eeb eed eee eef eeo eer ees ef- efa efb efd efe eff efo efr efs eo- eoa eob eod eoe eof eoo eor eos era erb erd ere erf ero err ers es- esa esb esd ese esf eso esr ess faa fab fad fae faf fao far fas fba fbb fbd fbe fbf fbo fbr fbs fda fdb fdd fde fdf fdo fdr fds fea feb fed fee fef feo fer fes ffa ffd ffe fff ffo ffr ffs foa fob foe fof foo for fos fra frb frd fre frf fro frr frs fsa fsb fsd fse fsf fso fsr fss oaa oab oad oae oaf oao oar oas ob- oba obb obd obe obf obo obr obs oda odb odd ode odf odo odr ods oea oeb oed oee oef oeo oer oes of- ofa ofb ofd ofe off ofo ofr ofs oo- ooa oob ood oof ooo oor oos or- ora orb ord ore orf oro orr ors os- osa osb osd ose osf oso osr oss ra- raa rab rad rae raf rao rar ras rba rbb rbd rbe rbf rbo rbr rbs rda rdb rdd rde rdf rdo rdr rds re- rea reb red ree ref reo rer res rfa rfb rfd rfe rff rfo rfr rfs roa rob rod roe rof roo ror ros rra rrb rrd rrf rrr rrs rsa rsb rsd rse rsf rso rsr rss saa sab sad sae saf sao sar sas sba sbb sbd sbe sbf sbo sbr sbs sda sdb sdd sde sdf sdo sdr sds se- sea seb sed see sef seo ser ses sfa sfb sfd sfe sff sfo sfr sfs soa sob sod soe sof soo sor sos sr- sra srb srd sre srf sro srr srs ss- ssa ssb ssd sse ssf sso ssr sss

-ase -ose a-be a-do aaaa aaab aaad aaae aaaf aaar aaas aaba aabb aabd aada aade aads aaea aaes aafa aafb aafd aaff aaoe aaoo aara aard aare aaro aars aasa aasd aase aasf aass abaa abab abad abae abaf abar abas abb- abba abbb abbe abbo abbr abbs abda abdo abed abee aber abes abff aboa abob abod abof aboo abor abos abra abro abrs abs- absa absd abse absf abss adaa adab adad adae adao adar adas adba adda addd adde addo addr adds adea adeb adee adeo ader ades adfa adfs adob adod adoe adoo ador ados adra adre adro adrs adsa adso adsr adss aeaf aeas aebs aede aeer aer- aera aerd aero aers aesd aess afaa afad afao afar afbs afdb afee afer afes affa affo affs afoa afoe afoo afor afr- afra afre afro afrs afsa afsb aoba aora aorb aors aosd aoss arab arad arae araf arar aras arba arbe arbs arda arde ardf ardo ards area ared aree aref areo ares arfa arfb arff arfs aroa arob arod aroe aroo aror aros arr- arra arre arro arrr arrs ars- arsa arsd arse arso asaa asab asad asae asaf asao asar asas asba asbo asda asde asdf asdo asds asea asee aser ases asfa asob asod asof asor asos asra asro asrs assa assd asse asso assr asss baaa baad baaf baar baas baba babb babe babo babr babs bada badb badd bade bado badr bads baed baer baes baff bafo baos bar- bara barb bard bare barf baro barr bars basa base basf baso bass bbad bbas bbbb bbbs bbdd bbdo bbeb bd-r bdes bdos bdsd bead beaf bear beas beba bebb bebe bebo beda bede bedo beds beeb beed beef beer bees befa befe beff befo beo- beod beof beor beos bera berd bere bero berr bers bes- besa bese beso bess bfas bffs bfsr boab boad boar boas boba bobb bobe bobo bobs boda bodb bode bodo bods boea boee boef boeo boer boes bofa bofd bofe boff bofs boob bood booe boof boor boos bor- bora bord bore borf boro borr bors bosa bose boso boss brab brad brae braf brao bras brda brdo brds brea breb bred bree bref breo brer bres broa brob brod broe broo bror bros brrr brrs brsb brsr bsaa bsas bsbd bsea bseb bsed bsee bser bses bsfa bsff bsfs bsod bsos bsra bsrd bssd bsse d-bo daab daad daae daar daas daba dabb dabo dabs dada dade dado dads daeb daer dafa dafe daff dafo dafs daos dara darb dard dare darf daro darr dars dasa dasb dasd dase dass dbar dbas dbfo dbfs dbos dbrs dbsa dbss dddd ddes ddre ddss dead deae deaf dear deas deba debe debs deda dedd dede dedo deeb deed deef deer dees defe deff defo