-ic a-a a-b a-c a-i aaa aab aac aaf aai aan aao ab- aba abb abc abf abi abn abo ac- aca acb acc acf aci acn aco af- afa afb afc aff afi afn afo ai- aia aib aic aif aii ain aio an- ana anb anc anf ani ann ano aoa aob aoc aof aoi aon aoo baa bab bac baf bai ban bao bba bbb bbc bbf bbi bbn bbo bca bcb bcc bcf bci bcn bco bfa bfb bfc bff bfi bfn bfo bi- bia bib bic bif bii bin bio bna bnb bnc bnf bni bnn bno boa bob boc bof boi bon boo c-- caa cab cac caf cai can cao cba cbb cbc cbf cbi cbn cbo cca ccb ccc ccf cci ccn cco cfa cfb cfc cff cfi cfn cfo ci- cia cib cic cif cii cin cio cn- cna cnb cnc cnf cni cnn cno co- coa cob coc cof coi con coo faa fab fac faf fai fan fao fba fbb fbc fbf fbi fbn fbo fca fcb fcc fcf fci fcn fco ffa ffc fff ffi ffn ffo fia fib fic fif fii fin fna fnb fnc fnf fni fnn foa fob foc fof foi fon foo i-f ia- iaa iab iac iaf iai ian iao iba ibb ibc ibf ibi ibn ibo ica icb icc icf ici icn ico ifa ifb ifc iff ifi ifn ifo iia iib iic iif iii iin iio in- ina inb inc inf ini inn ino io- ioa iob ioc iof ioi ion ioo n-i naa nab nac naf nai nan nao nba nbb nbc nbf nbi nbn nbo nca ncb ncc ncf nci ncn nco nfa nfb nfc nff nfi nfn nfo nia nib nic nif nii nin nio nna nnb nnc nnf nni nnn nno no- noa nob noc nof noi non noo o-i oaa oab oac oaf oai oan oao ob- oba obb obc obf obi obn obo oc- oca ocb occ ocf oci ocn oco of- ofa ofb ofc off ofi ofn ofo oia oib oic oif oii oin oio on- ona onb onc onf oni onn ono oo- ooa oob ooc oof ooi oon ooo

-ana a-ii aaaa aaab aaac aaaf aaai aaan aaba aabb aabc aabi aaca aacb aacc aacf aaci aacn aaco aafa aafb aafc aaff aafi aaib aaic aaii aain aana aani aaon aaoo abaa abab abac abaf abai aban abb- abba abbb abbi abbo abca abcb abcc abcf abci abcn abff abia abib abic abin aboa abob abof abon aboo acaa acab acac acai acan acba acca accc accf acci acco acfc acfi aci- acia acic acif acin acoa acon afaa afan afao afca afcb afcc afci affa affc affi affo afia afib afif afin afoa afoo aiai aian aiba aibn aibo aica aicc aicf aiff aiia aiib aiic aiin aina ainc aini aino aioc aioi aion ana- anaa anab anac anai anan anao anba anbb anbi anbo anca ancc anco anfa anfo ania anib anic anif anin anio anna annb anni anno ano- anoa anon aoba aoca aonb aono ba-i baaa baaf baan baba babb babi babo bac- baca bacc baci bacn baco bafc baff bafo baia baib baic bain baio bana banc bani bann bano baon bbbb bbci bbfc bbfn bbin bcaa bcbc bcca bccc bcci bcfc bcia bcof bfca biaf bian biao biba bibb bibi bibo bica bicc bici bico bifa biff bifi biin bin- bina binc bini binn bino bio- bioc bioi bion bnai bnib bnin bnoc boab boac boai boan boba bobb bobi bobo boca boco bofa boff boi- boii boin bona bonc boni bonn bono boob booc boof boon c-bo caaa caab caac caaf caan caba cabf cabi cabo cac- caca cacc caci caco cafa cafb cafc caff caia caib caic cain caio cana canc cani cann cano caoi cbac cbbc cbca cbcc cbcn cbfb cbfc cbia cbna ccaa ccab ccac ccaf ccai ccba ccbc ccbn ccca cccb cccc cccf ccci ccfa ccfc ccff ccfi ccic ccii ccna ccnb ccnc ccnf ccni ccob ccoc cfaa cfab cfac cfao cfbc cfbn cfca cfcb cfcf cfcn cfco cffb cfia cfnb cfni cfoa ciaa cian ciao ciba cibc cibi cibo cica cicc cici cico cifa ciff ciia ciii cin- cina cinc cinf cini cino ciob cion cnaa cnac cnbc cnci cnco cnfa cnib cnic cnna coai coan coba cobb cobi cobo coca coco cofc coff cofi coia coif coin con- cona conc conf coni conn cono coob coof coon faaa faac faan faba fabi fabo faca facc fafa fafc faff fafi fafo fain faio fana fanc fani fano faon fcab fcba fcca fccf fcic fcii ffcc ffff ffii fiaa fiac fiaf fian fiba fica ficc fico fifa fifc fiff fifi fifo fiii fina fini finn fino fion fnac fnci foaf foan foba foca foci foco fofo foia foin fono foof foon i-no iaaa iaac iaai iaba iaca iacc iafc iaff iaia iain iana ibac iban ibca ibfi ibia ibon icaa icab icac icaf icai ican icao icbc icca iccb iccc iccf icci iccn icco icfb icnb icnc icoc icon ifaa ifac ifan ifao ifbb ifco ific ifni ifno iiac iica iifa iiii iiio iino iioi iioo inab inac inaf inai inan inao inba inbo inca incb inci inco infa infi info inia inna inni inno ino- inoi inon ioan ioba iobi ioci iofc ioii ioio iona ioni ionn iono ioof iooi iooo n-ii naaa naab naac naai naan naba nabc nabf nabi nabo naca nacc nacf naci naco nafa nafc naff nafi nafo naia naib naic naif nain naio nan- nana nanb nani nann nano naoc naoi nbaa nbaf nbbc nbbo nbca nbcc nbci nbco nbfa nbfc nbia nbic ncaa ncac ncba ncbc ncbi ncca nccc nccf ncci nccn ncfc ncia ncna ncnc ncoa ncoc nfaa nfff nfia nfib nfic nfon niab niac niaf nian nibi nibo nica nicc nicf nici nico nifa nifc niff niia nina nini nino nion nioo nnnn noaa noac noba nobc nobi nobo noci noco nofi