-aaa- aaace aaaee aaarc aabaa aabba aabra aacbc aaeaf aaker aakre abaab ababa ababe abaca aback abaer abaka abake abara abare abbac abbar abccc abear abeba abebe abece abeer abekr abera abere aberr abfab abkar abrac abrak abrar abrek acaca acacb acack acake acar- acara acare accra aceae acera acerb ackee acker acrab acrea acree aeaea aebbe aface afara afare afcea afcec afear afefe afeka afere affer afree aka-e akaba akare akbar akce akera akker akkra akrak akrar ar-ab ara-c arab- araba arabe araca arace arack araea arake arara arare arbab arbar arbee arber arbre arcae arcee areae arear areca areef areek areka areke arere arfe arkar arrak arrea b-r-k baabe baake babak babar babec babee babek baber babka babra bacab bacar bacca bacea back- backa backe backf baffa bafra bakar bakea baker bakka bakke bakra bakrc baraa barab barac barak barar barba barbe barca barce barea barek barer barff bark- barka barke barra barre bbbee bbear be-er beack beafe beara beare bebar bebek beber bebra becak becca becke beeac beebe beeke beffe bekaa beker bekka bekke bekra berak berar berba berbe berca berck berea berec berek berk- berka berke berra berre bface braak braca bracc brace brack braff brake break breba brece breck breef breek breer breke brera brere brrar brrrr c-a-c c-raf ca-ca caaba caare caber cabra cabre cacak caec- caeca caere cafer caffa caffe cakra caraa carab carac carak carb- carck carea carek carer carfe cark- carra carre cbeff ccccc ceace ceara ceare cearr cebec ceber cecka ceeac ceere cerae cerak cerc- cerca cerce cerea cerec cerer cerka cerke cerre craba crabb crace crack craer crake crare creak crear crebe crece creek creer creke eafre eaker earar ebara ebber ecara ecare ecker eecca eecke eeeee efare efere effer effra ekker erace erbaa erbar erbbe erber ercea ereac erear erere erkak erkec fabae faber fabra fabre facea facer facra faker farab farak farbe farce fareb farer farfa farke farre fcaca feake feare febre feere ferae ferce ferr- ferra ferre fface fraba fraca frack frake frakk freak frear freck freea freek freer freke frera frere k-car k-rab kaaba kabaa kabab kabak kabar kabba kaber kacar kacee kacer kaera kafak kafar kafer kaffa kaffe kafka kafra kakae kakar kakka kakke kakra karak karee karfe karka karre keare kebab kebar kebbe kebek keber kebra kecak kecer keefe keera keere kefee kekec kera- kerar kerek kerre kraak kraar krack kraka krake kreca kreef kreek kreka kreke ra-ra raaba raabe raack raaff rabab rabac rabak rabba rabbe rabke racak race- racer racka raeff rafar rafer raffa raffe rakaa rakab rakee rakek raker rakke rarae raraf rareb raree rarer rccar reace reack reafe reake rear- rebab rebak rebar rebbe rebec reber rebra recca recce recea recka recke reece reefa reefe reere refar refer reffe rekka rekke rere- reree