a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aaca aacb aacc aace aaci aacr aacu aaea aaec aage aaib aaic aaii aara aarc aare aari aaru abaa abab abac abae abag abai abar abau abb- abba abbb abbe abbi abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abig abir abiu abra abrc abri abua abue abug acaa acab acac acae acag acai acar acba acca accc acce acci accu ace- acea acec acer acga acgi acgr aci- acia acic acie acir acr- acra acrc acre acri acrr acu- acue acur aeac aebi aecb aeci aeer aega aer- aera aerc aeri agac agag agai agar agau agba agca agcc agce agea agee agei ager agga agge aggi aggu agia agib agic agie agig agii agir agra agre agri agua ague agui agur aiai aiba aica aicc aice aicr aiea aiee aiga aiia aiib aiic aiir aira aire airi aiui arab arac arae arag arai arar arau arba arbe arbi arc- arca arce arci area arec aree areg arei areu arga argb arge argi aria arib arie arig arii arr- arra arrc arre arrg arri arrr arru arua arub arue arug arui auaa aube auca auce auci auer auga auge augi aur- aura aure auri auug ba-i baaa baar baba babb babe babi babr babu bac- baca bacc bace baci baer baga bage bagg bagi baia baib baic baie baig bair bar- bara barb barc bare barg bari barr baru bau- baug baur bbau bbbb bbci bbeb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcci bcec bcer bcia bcie bcra bcru bcuc beag bear beau beba bebb bebe bebi beca beci becu beeb beeg beer bega begg begi begu beia beic beir bera berc bere berg beri berr beru beur bgca bgia biar biba bibb bibe bibi bica bicc bice bicg bici bieb bier bieu biga bigb bigc bige bigg bigu bira birb bire birg biri birr biru brab brac brae brag brai brau brca brcb brce brea breb brec bree breg brei brer bria bric brie brig brrr bruc brue brug buar buba bubb bube bubi bubu buca bucc buce buci bucu buea buer bueu buga buge bugg bugi buic buie buir buiu bur- bura burb bure burg buri burr buru caaa caab caac caba cabe cabg cabi cabu cac- caca cacc cace caci cacr caec caei caer caeu caga cage cagg cagi cagr caia caib caic cair caiu cara carb carc care cari carr cauc cbac cbar cbbc cbca cbcc cbce cbcr cbcu cbea cbec cbee cber cbga cbgb cbia cbir cbre ccaa ccab ccac ccag ccai ccar ccba ccbc ccca cccb cccc ccci cccu ccee ccga ccgc ccic ccii ccir ccra ccrc ccre ccrg ccri ccuc ceac cear ceba cebu cec- ceca cece ceci ceeb ceec cege cer- cera cerc cere ceri ceui cgac cgcc cgcg cger ciaa ciar ciau ciba cibc cibe cibi cica cicc cici cicr cicu ciee cier ciga cigi cigu ciia ciii cira cirb circ cire ciri cirr ciuc crab crac crag crai crar crau crbc crbu crca crcc crce crcr cre- crea creb crec cree creg crei creu cria crib cric crie crig criu crub crue crug cuau cub- cuba cubb cube cubi cuca cucc cuce cuci cuer cuga cui- cuir cura curb cure curi curr eaba eaca eacc eaec eaga eage eaiu eara earb eare ebac ebba ebbc ebbr ebcc eber ebic ebru ebur ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci ecib ecig ecra ecrc ecri ecrr ecru ecua eeca eeea eeee eega eera eerc eerg egaa egae egar egba egbe egbu egcc egcg egcr egea egec egee eger eggb egge eggi egir egra egre egri eica eiec eiei eier eige eigg eira eire erau erba erbb erbe erca ercc erce ereb erec erei erer erg- erga ergg ergi eria eric erie eriu erra errc erre erua erub eruc erur euba eubc eubi euer euge eur- eura eurc eure gaar gaba gabb gabe gabi gabr gabu gace gaea gaec gaer gaga gage gagg gagi gagu gaia gaie gaig gair gaiu gara garb gare garg gari garr gaua gaub gaue gaur gbag gc-c gcaa gcbc gccc gcic gcii gcrg geab geai gear geba gebe gebi geca gece geer gege gegg geia geic geie geig geir gera gerb gere geri geru geue gggg giaa giac giai giba gibb gibe gica gicr gier giga gige gigg gigi gira gire girg giri girr giru giue giur grab grac grae grai grau grbr grcc grce grea greb grec gree greg greu gria grib gric grie grig grrr grua grub grue grug grui grur guaa guac guag guar guba gubb gubi gubu guca guci guer guga gugb guge gugg gugi gugu guia guib gura gurb gure gurg guri gurr guru i-be iaaa iaac iaai iaba iaca iacc iacr iacu iaea iaec iaia iara iarc iare iaru ibac ibar ibca ibea ibec ibeg ibga ibge ibia ibie ibra ibrc ibri icaa icab icac icag icai icar icbc icca iccb iccc icci iccr iccu icea icec icee icer icga icgc icra icrc icre icrr icru icub icue ieac iecc ieie iera iere ieri igac igar igba igbc igcc igea iger igga igia igra igri igua igue iiac iica iiie iiii iira iirc iiuc irac irae irai irar irbe irca ircc ircg ircu iree irer iri- iria iric irie irig irra irrc irre irri iucc iuce iuge iuiu iura raab raag raba rabb rabe rabi rabu rac- raca racc race raci racu raec raeg raer raga rage ragg ragi ragu raia raic raie raig raii rair raiu rara rarb rare rari raua raub rauc raue rbbb rbbr rcac rcbc rccb rccc rcga rcgc rcic rcrg rea- reac reae rear reau reba rebb rebe rebu reca recc rece reci recr recu reeb rega rege regi regr regu reia reii reir reiu rera rere rerg reri reru reue reuu rgba rgbe rgbi riaa riab riai riau rib- riba ribe ribu rica ricc rice rier rieu riga rige rigg rigi