a-ii aaaa aaab aaac aaad aaai aaba aabb aabc aabd aabi aaca aacb aacc aacd aaci aacu aada aadc aadi aadu aaib aaic aaii abaa abab abac abad abag abai abau abb- abba abbb abbi abca abcb abcc abcd abci abda abdi abdu abgd abia abib abic abid abig abiu abua abud abug acaa acab acac acad acag acai acba acca accc accd acci accu acda acdb acdc acdi acga acgi aci- acia acic acid acu- adaa adab adac adad adag adai adba adbc adbi adcc adci adda addc addd addi addu adia adib adic adig adua adub agac agad agag agai agau agba agca agcc agda agga aggi aggu agia agib agic agid agig agii agua agui aiai aiba aica aicc aicd aida aidb aidc aidi aidu aiga aiia aiib aiic aiid aiud aiui auaa auca auci audc audi auga augi auug ba-i baaa baad baba babb babi babu bac- baca bacc baci bada badb badd badi badu baga bagg bagi baia baib baic baid baig bau- baud baug bbad bbau bbbb bbci bbdd bbga bcaa bcbc bcbg bcca bccc bcci bcda bcia bcuc bdbc bddc bdii bgca bgia biad biba bibb bibi bica bicc bicg bici bida bidi bidu biga bigb bigc bigd bigg bigu buad buba bubb bubi bubu buca bucc buci bucu buda budb budd budg budi budu buga bugg bugi buic buid buiu c-cd caaa caab caac caba cabg cabi cabu cac- caca cacc caci cada cadc cadd cadi cadu caga cagg cagi caia caib caic caid caiu cauc cbac cbbc cbca cbcc cbcu cbdb cbdc cbdi cbga cbgb cbia cbid ccaa ccab ccac ccad ccag ccai ccba ccbc ccca cccb cccc ccci cccu ccdc ccdi ccga ccgc ccic ccid ccii ccuc cdaa cdac cdad cdai cdba cdda cddb cdic cdii cgac cgcc cgcg ciaa ciau ciba cibc cibi cica cicc cici cicu cida cidc cidg cidi ciga cigi cigu ciia ciid ciii ciuc cuau cub- cuba cubb cubi cuca cucc cuci cuda cudi cuga cui- daab daad daag daau daba dabb dabu daca daci dada dadi dadu daga dagg dagi dagu daia daid daig daub daud dbag dbcc dcbc dcca dccb dccc dcci dccu dcdb dcia dcii dddd ddub dgac dgca dgia dia- diab diac diad diag diba dibb dica dici dida didi didu diga digg digi diii duaa duab duad dub- duba dubb dubc dubu duca duda dudd dudu duga dugu duid gaba gabb gabi gabu gada gadd gadi gaga gagg gagi gagu gaia gaid gaig gaiu gaua gaub gaud gbag gc-c gcaa gcbc gccc gcda gcic gcii gdca gdci gddb gggg giaa giac giad giai giba gibb gica gida gidc gidd gidi giga gigg gigi guaa guac guag guba gubb gubi gubu guca guci guda gudi gudu guga gugb gugg gugi gugu guia guib guid iaaa iaac iaai iaba iaca iacc iacu iadb iadc iaia ibac ibad ibca ibga ibia ibid icaa icab icac icad icag icai icbc icbd icca iccb iccc icci iccu icdc icdd icga icgc icub idad idca idda idia idic idid idig idub igac igad igba igbc igcc igga igia igua iiac iica iicd iida iiii iiuc iucc iuiu uabc uaca uaua ubac ubba ubbi ubic ubid ubii ubud ucad ucai ucbc ucca ucci ucdc ucdd ucua udaa udad udau udbc udca uddi udgb udic udid udig ugab ugcc ugcg ugia uguu uica uuuu