-ase a-be a-fu aaaa aaab aaac aaad aaae aaaf aaas aaba aabb aabc aabd aaca aacb aacc aacd aace aacf aacs aacu aada aadc aade aads aadu aaea aaec aaes aafa aafb aafc aafd aaff aage aasa aasc aasd aase aasf aass aasu aaus abaa abab abac abad abae abaf abag abas abau abb- abba abbb abbe abbs abca abcb abcc abcd abcf abcs abda abdu abec abed abee abes abff abgd abs- absa absd abse absf abss absu abua abud abue abuf abug abus acaa acab acac acad acae acag acas acba acca accc accd acce accf accs accu acda acdb acdc acde acdf acds ace- acea acec aced aces acfc acfd acfe acfs acga acgs acsa acsc acsd acse acss acu- acue acuf acus adaa adab adac adad adae adag adas adba adbc adcc adcs adda addc addd adde adds addu adea adeb adee ades adfa adfc adfs adgs adsa adss adua adub adue aeac aeaf aeas aebs aecb aede aega aesc aesd aess afaa afad afbs afca afcb afcc afcs afcu afdb afdc afee afes affa affc affs afgf afsa afsb afsc afua afud afue afus agac agad agag agas agau agba agca agcc agce agda agde agea aged agee ages agfa agga agge aggu agsa agsg agsu agua ague agus asaa asab asac asad asae asaf asag asas asau asba asbu asc- asca ascb ascc asce asda asde asdf asds asea asec asee ases asfa asgd asge assa assc assd asse asss assu asub asud asue asus auaa aube auca auce audc aude aufc aufe aufs auga auge augs ausa ausd ause ausu auug baaa baad baaf baas baba babb babe babs babu bac- baca bacc bace bacs bada badb badd bade bads badu baed baes bafc baff baga bage bagg bags basa basc base basf bass basu bau- baud bauf baug bbad bbas bbau bbbb bbbs bbdd bbeb bbfc bbga bcaa bcas bcbc bcbg bcbs bcca bccc bccs bcda bcde bcds bcec bces bcfc bcgs bcsa bcsc bcss bcuc bdbc bddc bdes bdsd bduf bead beaf beag beas beau beba bebb bebe beca becs becu beda bede beds bedu beeb beed beef beeg bees befa befe beff bega begg begs begu bes- besa bese bess bfas bfca bfcs bffs bfgf bgca bgfc bggs bsaa bsac bsas bsbd bscs bsea bseb bsec bsed bsee bseg bses bsfa bsfc bsff bsfs bsgs bssc bssd bsse buad buba bubb bube bubs bubu buca bucc buce bucs bucu buda budb budd bude budg buds budu buea bueu bufc bufe buff buga buge bugg bugs busa busc buse buss busu buus c-cd caaa caab caac caaf caas caba cabe cabf cabg cabs cabu cac- caca cacc cace cada cadc cadd cade cads cadu caec caes caeu cafa cafb cafc cafe caff cafs cafu caga cage cagg cags casa casb casc casd case cass casu cauc cauf caus cbac cbbc cbbs cbca cbcc cbce cbcs cbcu cbdb cbdc cbds cbea cbec cbee cbef cbfb cbfc cbga cbgb cbsa cbsc cbse cbus ccaa ccab ccac ccad ccaf ccag ccas ccba ccbc ccca cccb cccc cccf cccs cccu ccdc ccdf ccds cced ccee ccfa ccfc ccfd ccff ccga ccgc ccgs ccsa ccsd ccsf ccsg ccss ccuc ccus cd-e cdaa cdac cdad cdba cdbf cdcs cdda cddb cdec cdef cdes cdfa cdfe cdfs cdss ceac cead ceas ceba cebs cebu cec- ceca cece cecs ceda cedd cede cedu ceeb ceec cees cef- cefa cefc cege cesa cesc cese cesg cess cfaa cfab cfac cfae cfbc cfbs cfca cfcb cfcf cfcs cfda cfds cffb cfgs cfsa cfse cfsg cgac cgas cgcc cgcg cged cges cgfc cggs cgsb cgss csaa csab csac csas csbf cscb cscc cscd csce cscf cscs csda csdb csea csec csee csfc cssa cssd csse csua csuf csus cuau cub- cuba cubb cube cubs cuca cucc cuce cuda cude cuds cued cues cufa cufc cuff cuga cusa cusb cusd cusg cuss cusu daab daad daae daag daas daau daba dabb dabs dabu daca dace dacs dada dade dads dadu daeb daeu dafa dafc dafe daff dafs daga dage dagg dags dagu dasa dasb dasc dasd dase dass daub daud daue daus dbag dbas dbcc dbcs dbfc dbfs dbsa dbss dbus dcas dcbc dcca dccb dccc dccs dccu dcdb dcds dcfc dcfs dcgs dcsc dcsg dcss dddd ddes ddss ddub deac dead deae deaf deas deau deba debe debs debu dec- deca decc decd dece decs deda dedd dede dedu deeb deed deef deeg dees defe deff defg defs dega dege degs degu des- desa desc dese desg dess desu deua deue deus dfaf dfas dfcc dfcs dfcu dfds dffa dgac dgca dgeg dgge dgsb dsac dsba dsbc dscc dscs dsda dsea dsfa dsfc dssa dssc duaa duab duad duas dub- duba dubb dubc dube dubs dubu duca duce ducs duda dudd dude duds dudu dues dufc duff dufu duga dugs dugu dusa duse eaaf eaba eaca eacc eada eadb eadd eads eaec eafb eaga eage easa ease eaus ebac ebba ebbc ebbs ebcc ebed ebes ebfc ebsa ebus ecaa ecac ecad ecbc ecbe ecca eccb eccc ecce ecdc ecdf eced ecef eces ecfa ecfc ecfs ecgs ecsa ecsc ecse ecss ecsu ecua ecus edac edad edag edas edca edda eddc edde edds ede- edea edes edfa edfu edge edsa edss educ eeca eecs eede eedu eeea eeee eees eefa eefe eega eegs eese ef-g efab efas efca efda efes effa effs efsa efua egaa egad egae egas egba egbe egbu egcc egcg egea egec egee eggb egge eggs egsc egss esab esac esad esag esas esau esba esbs esca escb esce escs escu esda esds esdu esea esee eses esfs essa esse essg essu esuf esus euba eubc eucd eude eufc euge eusa euse faaa faac faad faas faba fabd fabe fabs fabu faca facc face facs fada fadd fade fads faeb faes fafa fafc fafe faff fafg fage fagg fags fagu fasa fasc fasd fase fass faud faue fbsd fbus fcab fcas fcba fcbs fcca fccf fcda fcds fces fcgs fcsc