eeoc eera eerc eero eka- ekab ekco ekeb ekek eker ekka ekoa ekwe eoka eora eore erba erbb erbe erca ercc erce ereb erec erer erew erke erob eroc eroe eroo erra errc erre erro ewer ewew ewok ewre kaaa kaab kaak kaar kaba kabb kabc kabe kabo kabr kabw kacb kacc kace kaco kacw kaeo kaer kaka kakc kake kakk kako kaoa kaoc kaok kaor kaow kara karb kare kark karo karr karw kaw- kawa kawc kawe kawk kawo kaww kbaa kbab kbac kbae kbak kbar kbba kbbb kbbc kbbe kbbk kbbo kbbr kbbw kbca kbcb kbce kbck kbco kbcr kbcw kbeb kbec kbee kbek kbeo kber kbew kbkb kbkk kbko kbkr kbkw kboa kbob kboc kboe kbok kboo kbow kbra kbrb kbrc kbre kbrk kbro kbrw kbwa kbwb kbwc kbww kcaa kcab kcac kcar kcaw kcba kcbc kcbk kcbr kcbw kcca kccb kccc kcck kccr kcea kceb kcec kcee kceo kckc kckk kcko kckr kcob kcoe kcor kcow kcrc kcro kcrr kcrw kcwa kcwb kcwc kcwe kcwk kcwr kea- keak kear keba kebb kebc kebe kebr keca keck keco kecr keek keer keka kekb kekc keke keko keok ker- kera kerb kerc kere kerk kero kerr kewa kewb kewe kewr kkaa kkac kkar kkaw kkba kkbb kkbe kkbo kkbr kkcb kkck kkco kkcr kkcw kkea kkkk kkoa kkob kkoo kkor kkow kkrb kkrc kkre kkrk kkro kkrr kkwb kkwe kkwk koab koac koae koak koar koba kobb kobc kobe kobk kobo kobr koca kocb kock kocw koea koka kokb kokc koke kokk koko kokr koob kooc kook kooo koor kora korb korc kore kork koro korr kowa kowb kowe kowr krab krac krae krak krar kraw krba krbb krbe krbk krbr krbw krca krcb krcc krce krco krcw krea kreb krec kree krek kreo krew krka krkc krke krkk krko krkr krkw kroa krob kroc kroe krok kroo kror krow krrb krrc krre krrk krro krrr krrw krwa krwb krwc krwk krwr kwab kwac kwak kwar kwaw kwbc kwbe kwbw kwca kwck kwcr kweb kwee kwka kwkb kwkc kwkk kwkr kwkw kwoa kwoc kwok kwor kwow kwrb kwre kwrk kwro kwrr kwrw kwwk kwwr o-eo oaer oake oara oare obak obba obbo obea obec ober obkb oboe obok obor obra obre obro ocab ocac ocak ocbc occa occc oce ocee ocke ocra ocre ocro ocrr oec- oeca oecc oeec oera oere okak oker okka okko okok okor okra okre okro ooaa ooak ooba oobe oocr ooer oooo oora oore orab orac orae orak orao orar orba orbb orbe orbo orca orce orco ore- orea oreb orec orek oreo orer orka orke orko oro- oroe orok oror orra orro orwa orwe orwo owar owea ower owoe owow owre owwa raab raak raba rabb rabe rabk rabo rac- raca racc race rack raco raec raer raka rake rakk raob raoc raok rara rarb rare rark raro rawa rawe rawk rawr raww rbbb rbbr rcac rcbc rcbo rccb rccc rea- reac reae reak reao rear reba rebb rebe rebk rebo reca recc rece reck recr reeb reek reka reke reko rera rere rero rewa rewe roab roak roar rob- roba robb robe robo roca rocc roce rock roco roea roer roka roke rokk roko rokr roob rook roor rora rorc rore rork roro rowa rowb rowe rowk rowr roww rrrr waaa waac waao waar waaw waba wabb wabc wabe wabk wabo wabr wabw waca wacb wacc wace wack waco waeb waec waee waer waew waka wakb wake wakk wako wakr wakw waob waoc waoe waok waoo waor waow war- wara warb warc ware wark waro warr warw wawa wawb wawc wawe wawk wawo wbaa wbab wbac wbae wbak wbar wbbb wbbe wbbk wbbo wbbr wbbw wbca wbcb wbce wbck wbco wbcr wbcw wbea wbeb wbec wbek wber wbew wbka wbkb wbke wbkk wbko wbkr wbkw wbob wboc wbok wbor wbow wbrb wbrc wbrk wbrr wbrw wbwb wbwc wbwo wcab wcae wcao wcar wcba wcbc wcbe wcbr wcbw wcca wccb wccc wcce wcck wcco wccr wccw wceb wcec wcee wceo wcer wcka wckb wckk wckr wckw wcoa wcob wcoc wcoe wcok wcoo wcor wcra wcrb wcrc wcre wcrk wcro wcrr wcrw wcwa wcwb wcwc weaa weac weak weao wear webb webc webe webo weca wecb wecc weck weco wecr wecw weeb weec week weeo weer weka wekb wekc weke weko wekr wekw weoa weok weow wer- wera werb werc were werk wero werr werw wewc wewe wewo wkaa wkac wkak wkao wkar wkba wkbc wkbe wkbk wkbo wkbw wkca wkcb wkce wkco wkcw wkeb wkew wkkb wkkc wkko wkkr wkkw wkoa wkoc wkok wkoo wkor wkow wkra wkrb wkrc wkre wkrk wkro wkrr wkwc woaa woab woak woar woba wobb wobc wobe wobo woca wocb wocc woce woco wocr woer woka wokb wokc woke wokk woko wokr wokw woob wooc wook woow wora worb worc wore work woro worr worw wowb wowc wowe wowo woww wraa wrab wrac wrae wrak wrao wrar wraw wrba wrbb wrbc wrbe wrbk wrbo wrbw wrca wrcb wrce wrck wrco wrcr wrcw wreb wrec wree wrek wrer wrew wrka wrkb wrkc wrkk wrko wrkr wrkw wroa wrob wroc wrok wroo wrow wrra wrrb wrrc wrre wrrk wrro wrrw wrwa wrwb wrwc wrwr wwab wwac wwba wwbb wwbc wwbr wwca wwcb wwck wwco wwcr wwcw wwea wweb wwec wweo wwer wwka wwkb wwkc wwkr wwor wwow wwra wwrb wwrc wwre wwrk wwrr wwrw wwwa wwwc wwwe wwwk wwwr wwww

-aaa- aaace aaaee aaaoc aaarc aabaa aabba aabra aacbc aaker aakko aakre abaab ababa ababe abaca aback abaco abaer abaka abake abako abara abare abbac abbar abccc abear abeba abebe abece abeer abekr abera abere aberr abkar abkoo aboab abobo aboke abook abora aborc abore abrac abrak abrar abrek abwab acaca acacb acack acake acar- acara acare accra aceae acebo acera acerb acero ackee acker acock acoke acook acore acork acrab acrea acree acro- acrob acrow aeaea aebbe aereo aero- aeroe aka-e akaba akabo akaoa akare akbar akce akera akero akker akkra akobo akoka akoko akrak akrar akro- ar-ab