-ic a-a a-b a-c a-i aaa aab aac aai aan aao aau ab- aba abb abc abi abn abo abu ac- aca acb acc aci acn aco acu ai- aia aib aic aii ain aio aiu an- ana anb anc ani ann ano anu aoa aob aoc aoi aon aoo aou au- aua aub auc aui aun auo b-u baa bab bac bai ban bao bau bba bbb bbc bbi bbn bbo bbu bca bcb bcc bci bcn bco bcu bi- bia bib bic bii bin bio biu bna bnb bnc bni bnn bno bnu boa bob boc boi bon boo bou bua bub buc bui bun buo buu c-- caa cab cac cai can cao cau cba cbb cbc cbi cbn cbo cbu cca ccb ccc cci ccn cco ccu ci- cia cib cic cii cin cio ciu cn- cna cnb cnc cni cnn cno cnu co- coa cob coc coi con coo cou cua cub cuc cui cun cuo cuu ia- iaa iab iac iai ian iao iau iba ibb ibc ibi ibn ibo ibu ica icb icc ici icn ico icu iia iib iic iii iin iio iiu in- ina inb inc ini inn ino inu io- ioa iob ioc ioi ion ioo iou iu- iua iub iuc iui n-i naa nab nac nai nan nao nau nba nbb nbc nbi nbn nbo nbu nca ncb ncc nci ncn nco ncu nia nib nic nii nin nio niu nna nnb nnc nni nnn nno nnu no- noa nob noc noi non noo nou nua nub nuc nui nun nuo nuu o-i oaa oab oac oai oan oao oau ob- oba obb obc obi obn obo obu oc- oca ocb occ oci ocn oco ocu oia oib oic oii oin oio oiu on- ona onb onc oni onn ono onu oo- ooa oob ooc ooi oon ooo ou- oua ouc oui oun ouo ua- uaa uab uac uai uan uao uau uba ubb ubc ubi ubn ubo ubu uca ucb ucc uci ucn uco ucu uia uib uic uii uin uio uiu un- una unb unc uni unn uno unu uoa uob uoc uon uoo uua uuc uun uuu

-ana a-ii a-un aaaa aaab aaac aaai aaan aaba aabb aabc aabi aaca aacb aacc aaci aacn aaco aacu aaib aaic aaii aain aana aani aaon aaoo abaa abab abac abai aban abau abb- abba abbb abbi abbo abca abcb abcc abci abcn abia abib abic abin abiu abnu aboa abob abon aboo abou abua abun acaa acab acac acai acan acba acca accc acci acco accu aci- acia acic acin acoa acon acou acu- acuo aiai aian aiba aibn aibo aica aicc aiia aiib aiic aiin aina ainc aini aino ainu aioc aioi aion aiui ana- anaa anab anac anai anan anao anau anba anbb anbi anbo anbu anca ancc anco ania anib anic anin anio aniu anna annb anni anno ano- anoa anon anua anub anui anun aoba aoca aonb aono aoun auaa auca auci auna ba-i baaa baan baba babb babi babo babu bac- baca bacc baci bacn baco baia baib baic bain baio bana banc bani bann bano banu baon bau- bbau bbbb bbci bbin bcaa bcbc bcca bccc bcci bcia bcnu bcuc bian biao biba bibb bibi bibo bica bicc bici bico biin bin- bina binc bini binn bino binu bio- bioc bioi bion biou bnai bnib bnin bnoc boab boac boai boan boba bobb bobi bobo bobu boca boco bocu boi- boii boin boiu bona bonc boni bonn bono bonu boob booc boon boua boun buba bubb bubi bubo bubu buca bucc buci buco bucu buic buin buiu buna bunb buni bunn buno bunu buon c-bo caaa caab caac caan caba cabi cabo cabu cac- caca cacc caci caco caia caib caic cain caio caiu cana canc cani cann cano caoi cauc cauo cbac cbbc cbca cbcc cbcn cbcu cbia cbna ccaa ccab ccac ccai ccba ccbc ccbn ccca cccb cccc ccci cccu ccic ccii ccna ccnb ccnc ccni ccnu ccob ccoc ccuc ciaa cian ciao ciau ciba cibc cibi cibo cica cicc cici cico cicu ciia ciii cin- cina cinc cini cino ciob cion ciuc cnaa cnac cnbc cnci cnco cnib cnic cnna coai coan coba cobb cobi cobo cobu coca coco cocu coia coin con- cona conc coni conn cono coob coon coua coub coun cuan cuau cub- cuba cubb cubi cuca cucc cuci cucn cui- cuin cuna cuno cuon i-no iaaa iaac iaai iaba iaca iacc iacu iaia iain iana ibac iban ibca ibia ibon icaa icab icac icai ican icao icbc icca iccb iccc icci iccn icco iccu icnb icnc icoc icon icub iiac iica iiii iiio iino iioi iioo iiuc inab inac inai inan inao inau inba inbo inca incb inci inco inia inna inni inno innu ino- inoi inon inou inua inui inun ioan ioba iobi ioci ioii ioio iona ioni ionn iono iooi iooo ioun iucc iuiu iuno n-ii naaa naab naac naai naan naba nabc nabi nabo nabu naca nacc naci naco naia naib naic nain naio nan- nana nanb nani nann nano nanu naoc naoi nauo nbaa nbbc nbbo nbca nbcc nbci nbco nbia nbic ncaa ncac ncba ncbc ncbi ncca nccc ncci nccn nccu ncia ncna ncnc ncoa ncoc ncua niab niac nian niau nibi nibo nica nicc nici nico nicu niia niiu nina nini nino nion nioo niou nnnn noaa noac noba nobc nobi nobo nobu noci noco noia noib noin noio non- nona noni nonn nono nonu noo- noob noon nooo noun nuan nuba nubc nubi nuca nuci nucu nuin nuna nunc nunn nuno nuoc nuon oaau oaic obai oban obba obbo obia obin oboi obon ocab ocac ocan ocbc occa occc occi occn ocin ocna ocon oiba oici oiii oion onab onan onc- onca onco onia onic onna onni onno onon ooaa ooba oobi ooia oona oooo ouac ouan oucc ouii ouin oun- ouna ouu- uabc uaca uaoc uaua ubac ubba ubbi ubbo ubic ubii uboc ubon ucai ucan ucbc