-ic a-a a-b a-c a-i aaa aab aac aad aai aan aau ab- aba abb abc abd abi abn abu ac- aca acb acc acd aci acn acu ad- ada adb adc add adi adn adu ai- aia aib aic aid aii ain aiu an- ana anb anc and ani ann anu au- aua aub auc aud aui aun b-u baa bab bac bad bai ban bau bba bbb bbc bbd bbi bbn bbu bca bcb bcc bcd bci bcn bcu bda bdb bdc bdd bdi bdu bi- bia bib bic bid bii bin biu bna bnb bnc bnd bni bnn bnu bua bub buc bud bui bun buu c-- caa cab cac cad cai can cau cba cbb cbc cbd cbi cbn cbu cca ccb ccc ccd cci ccn ccu cda cdb cdc cdd cdi cdn cdu ci- cia cib cic cid cii cin ciu cn- cna cnb cnc cnd cni cnn cnu cua cub cuc cud cui cun cuu daa dab dac dad dai dan dau dba dbb dbc dbd dbi dbn dbu dca dcb dcc dcd dci dcn dcu dda ddb ddc ddd ddi ddn ddu di- dia dib dic did dii din diu dna dnb dnc dnd dni dnn dua dub duc dud dui dun i-d ia- iaa iab iac iad iai ian iau iba ibb ibc ibd ibi ibn ibu ica icb icc icd ici icn icu ida idb idc idd idi idn idu iia iib iic iid iii iin iiu in- ina inb inc ind ini inn inu iu- iua iub iuc iud iui n-i naa nab nac nad nai nan nau nba nbb nbc nbd nbi nbn nbu nca ncb ncc ncd nci ncn ncu nda ndb ndc ndd ndi ndn ndu nia nib nic nid nii nin niu nna nnb nnc nni nnn nnu nua nub nuc nud nui nun nuu ua- uaa uab uac uad uai uan uau uba ubb ubc ubi ubn ubu uca ucb ucc ucd uci ucn ucu uda udb udc udd udi udn udu uia uib uic uid uii uin uiu un- una unb unc und uni unn unu uua uuc uun uuu

-ana a-ii a-un aaaa aaab aaac aaad aaai aaan aaba aabb aabc aabd aabi aaca aacb aacc aacd aaci aacn aacu aada aadc aadi aadu aaib aaic aaii aain aana aand aani abaa abab abac abad abai aban abau abb- abba abbb abbi abca abcb abcc abcd abci abcn abda abdi abdu abia abib abic abid abin abiu abnu abua abud abun acaa acab acac acad acai acan acba acca accc accd acci accu acda acdb acdc acdi aci- acia acic acid acin acu- adaa adab adac adad adai adan adba adbc adbi adcc adci adda addc addd addi addn addu adia adib adic adin adna adni adua adub adun aiai aian aiba aibn aica aicc aicd aida aidb aidc aidi aidu aiia aiib aiic aiid aiin aina ainc aind aini ainu aiud aiui ana- anaa anab anac anad anai anan anau anba anbb anbi anbu anca ancc and- anda andi ania anib anic anin aniu anna annb anni anua anub anui anun auaa auca auci audc audi auna ba-i baaa baad baan baba babb babi babu bac- baca bacc baci bacn bada badb badd badi badu baia baib baic baid bain bana banc band bani bann banu bau- baud bbad bbau bbbb bbci bbdd bbin bcaa bcbc bcca bccc bcci bcda bcia bcnu bcuc bdbc bddc bdii bdin bdna biad bian biba bibb bibi bica bicc bici bida bidi bidu biin bin- bina binc bind bini binn binu bnai bnib bnin buad buba bubb bubi bubu buca bucc buci bucu buda budb budd budi budu buic buid buin buiu buna bunb bund buni bunn bunu c-cd caaa caab caac caan caba cabi cabu cac- caca cacc caci cada cadc cadd cadi cadu caia caib caic caid cain caiu cana canc cand cani cann cauc cbac cbbc cbca cbcc cbcn cbcu cbdb cbdc cbdi cbdn cbia cbid cbna cbnd ccaa ccab ccac ccad ccai ccba ccbc ccbn ccca cccb cccc ccci cccu ccdc ccdi ccdn ccic ccid ccii ccna ccnb ccnc ccni ccnu ccuc cdaa cdac cdad cdai cdba cdda cddb cdic cdii cdna cdnb cdnc ciaa cian ciau ciba cibc cibi cica cicc cici cicu cida cidc cidi ciia ciid ciii cin- cina cinc cind cini ciuc cnaa cnac cnbc cnci cnda cndd cnib cnic cnid cnna cuan cuau cub- cuba cubb cubi cuca cucc cuci cucn cuda cudi cui- cuin cuna cund d-na daab daad daan daau daba dabb dabu daca daci dada dadi dadu daia daid dain dana dand dani dann danu daub daud daun dbcc dcbc dcca dccb dccc dcci dccu dcdb dcia dcii dddd ddub dia- diab diac diad dian diba dibb dica dici dida didi didu diii din- dina dinc dini dinn dinu dnaa dnab dnac dnad dnai dnan dnic duaa duab duad duan dub- duba dubb dubc dubu duca duda dudd dudu duid duin duna dunc dunn iaaa iaac iaai iaba iaca iacc iacu iadb iadc iaia iain iana iand ibac ibad iban ibca ibia ibid icaa icab icac icad icai ican icbc icbd icca iccb iccc icci iccn iccu icdc icdd icnb icnc icub idad idca idda idia idic idid idin idub idun iiac iica iicd iida iiii iiuc inab inac inai inan inau inba inbd inca incb incd inci ind- inda indc indi indu inia inid inna inni innu inua inui inun iucc iuiu n-ii naaa naab naac naad naai naan naba nabc nabi nabu naca nacc nacd naci nada nadc nadi nadu naia naib naic naid nain nan- nana nanb nand nani nann nanu nbaa nbad nbbc nbca nbcc nbci nbia nbic ncaa ncac ncba ncbc ncbi ncca nccc ncci nccn nccu ncda ncdc ncdn ncdu ncia ncid ncna ncnc ncnd ncua ndaa ndai ndau ndcc nddb ndia ndic ndna niab niac niad nian niau nibi nica nicc nicd nici nicu nida nidd nidi niia niiu nina nind nini nndb nnnn nuan nuba nubc