a-ii aaaa aaab aaac aaad aaai aaal aaba aabb aabc aabd aabi aabl aaca aacb aacc aacd aaci aacl aacu aada aadc aadi aadu aaib aaic aaii aala aalc aald aali aall aalu abaa abab abac abad abai abal abau abb- abba abbb abbi abca abcb abcc abcd abci abcl abda abdi abdu abia abib abic abid abil abiu abla abua abud abul acaa acab acac acad acai acba acbl acca accc accd acci accu acda acdb acdc acdi aci- acia acic acid acla aclc acli aclu acu- acul adaa adab adac adad adai adal adba adbc adbi adcc adci adda addc addd addi addl addu adia adib adic adli adua adub aiai aiba aibl aica aicc aicd aida aidb aidc aidi aidu aiia aiib aiic aiid aila aild aili ailu aiud aiui alaa alac alad alai alal alau alb- alba albc albi albu alca alcc ald- alda aldi aldl ali- alia alib alid alii alil aliu all- alla alli alll allu alua alui auaa auca auci audc audi aul- aula auld auli aull aulu ba-i baaa baad baal baba babb babi babu bac- baca bacc baci bada badb badd badi badu baia baib baic baid bail bala balc bald bali ball balu bau- baud baul bbad bbau bbbb bbci bbdd bblb bcaa bcbc bcca bccc bcci bccl bcda bcia bcuc bdbc bddc bdii biad bial biba bibb bibi bibl bica bicc bici bida bidi bidu bila bild bili bill bilu blaa blab blac blad blau blcu bldc blic blub blud buad bual buba bubb bubi bubu buca bucc buci bucu buda budb budd budi budl budu buic buid buiu bula bulb buld buli bull bulu c-cd caaa caab caac caal caba cabi cabu cac- caca cacc caci cada cadc cadd cadi cadu caia caib caic caid cail caiu cala calc cald cali call calu cauc caul cbac cbal cbbc cbca cbcc cbcl cbcu cbdb cbdc cbdi cbia cbid cblb cblc ccaa ccab ccac ccad ccai ccba ccbc ccca cccb cccc ccci cccl cccu ccdc ccdi ccic ccid ccii ccil ccla cclc ccli ccuc cdaa cdac cdad cdai cdba cdda cddb cddl cdic cdii cdli ciaa cial ciau ciba cibc cibi cica cicc cici cicu cida cidc cidi ciia ciid ciii cila cili cill ciuc clab clad clai clau clcd cldc clib clic clii club clud cuau cub- cuba cubb cubi cuca cucc cuci cuda cudi cui- cuil cula culb culc culd cull daab daad daal daau daba dabb dabu daca daci dada dadi dadu daia daid dail dala dali dall dalu daub daud dbcc dcbc dcca dccb dccc dcci dccl dccu dcdb dcia dcii dcil dcli dddd ddlc ddub dia- diab diac diad dial diba dibb dica dici dida didi didu diii dila dili dill dlab dlbd dlia dlib dlii dlil duaa duab duad dual dub- duba dubb dubc dubu duca duda dudd dudu duid duil dula dulc duli dull dulu duul iaaa iaac iaai iaal iaba iaca iacc iacu iadb iadc iaia iala iall ialu ibac ibad ibca ibia ibid icaa icab icac icad icai ical icbc icbd icca iccb iccc icci iccl iccu icdc icdd icdl icll icub idad idca idda idia idic idid idil idli idub iiac iica iicd iida iiii iila iiuc ilac ilal ilbc ilca ilcd ilia ilic ill- illa illd illi ilud iucc iuiu laaa laac laad laal laba labi labu laca lacc laci lacl lacu lada ladd ladi ladu laia laic laid lail lala lald lali lall lalu laub laud laul lbcc lbia lcac lcad lcbc lcca lccc lcdd lcia ldci liac liba libc libu lica lida lidb lidl liia liii lila lilb lili lill lilu liua llcc lldb lldc lllc llll llud luai luau luba luca luci luda ludd ludi lula luli lull lulu luua uabc uaca uald uaua ubac ubal ubba ubbi ubic ubid ubii ubla ubli ubud ucad ucai ucal ucbc ucca ucci ucdc ucdd ucil ucla ucua udaa udad udal udau udbc udca uddi udic udid uica ulaa ulad ulai ulbc ulcc ulic ulla ulli ulua ulul uulu uuuu