-ic a-a a-b a-c a-i aaa aab aac aae aaf aai aao ab- aba abb abc abe abf abi abo ac- aca acb acc ace acf aci aco aea aeb aec aee aef aei aeo af- afa afb afc afe aff afi afo ai- aia aib aic aie aif aii aio aoa aob aoc aoe aof aoi aoo baa bab bac bae baf bai bao bba bbb bbc bbe bbf bbi bbo bca bcb bcc bce bcf bci bco be- bea beb bec bee bef bei beo bfa bfb bfc bfe bff bfi bfo bi- bia bib bic bie bif bii bio boa bob boc boe bof boi boo c-- caa cab cac cae caf cai cao cba cbb cbc cbe cbf cbi cbo cca ccb ccc cce ccf cci cco ce- cea ceb cec cee cef cei ceo cfa cfb cfc cfe cff cfi cfo ci- cia cib cic cie cif cii cio co- coa cob coc coe cof coi coo eaa eab eac eae eaf eai eao eba ebb ebc ebe ebf ebi ebo ec- eca ecb ecc ece ecf eci eco eea eeb eec eee eef eeo ef- efa efb efc efe eff efi efo eia eib eic eie eif eii eio eo- eoa eob eoc eoe eof eoi eoo faa fab fac fae faf fai fao fba fbb fbc fbe fbf fbi fbo fca fcb fcc fce fcf fci fco fea feb fec fee fef fei feo ffa ffc ffe fff ffi ffo fia fib fic fie fif fii foa fob foc foe fof foi foo i-f ia- iaa iab iac iae iaf iai iao iba ibb ibc ibe ibf ibi ibo ica icb icc ice icf ici ico ie- iea iec iee ief iei ifa ifb ifc ife iff ifi ifo iia iib iic iie iif iii iio io- ioa iob ioc ioe iof ioi ioo o-i oaa oab oac oae oaf oai oao ob- oba obb obc obe obf obi obo oc- oca ocb occ ocf oci oco oea oeb oec oee oef oei oeo of- ofa ofb ofc ofe off ofi ofo oia oib oic oie oif oii oio oo- ooa oob ooc oof ooi ooo

a-be a-ii aaaa aaab aaac aaae aaaf aaai aaba aabb aabc aabi aaca aacb aacc aace aacf aaci aaco aaea aaec aafa aafb aafc aaff aafi aaib aaic aaii aaoe aaoo abaa abab abac abae abaf abai abb- abba abbb abbe abbi abbo abca abcb abcc abcf abci abec abee abff abia abib abic abie aboa abob abof aboo acaa acab acac acae acai acba acca accc acce accf acci acco ace- acea acec acfc acfe acfi aci- acia acic acie acif acoa acoe aeac aeaf aebi aecb aeci aeio afaa afao afca afcb afcc afci afee affa affc affi affo afia afib afif afoa afoe afoo aiai aiba aibo aica aicc aice aicf aiea aiee aiff aiia aiib aiic aioc aioi aoba aoca aoce ba-i baaa baaf baba babb babe babi babo bac- baca bacc bace baci baco bafc baff bafo baia baib baic baie baio bbbb bbci bbeb bbfc bcaa bcbc bcca bccc bcci bcec bcfc bcia bcie bcof beaf beba bebb bebe bebi bebo beca beci beeb beef befa befe beff befo beia beic beo- beof bfca biaf biao biba bibb bibe bibi bibo bica bicc bice bici bico bieb bief bifa biff bifi bio- bioc bioi boab boac boai boba bobb bobe bobi bobo boca boce boco boea boec boee boef boeo bofa bofe boff boi- boie boii boob booc booe boof c-bo caaa caab caac caaf caba cabe cabf cabi cabo cac- caca cacc cace caci caco caec caei cafa cafb cafc cafe caff caia caib caic caio caoi cbac cbbc cbca cbcc cbce cbea cbec cbee cbef cbfb cbfc cbia ccaa ccab ccac ccaf ccai ccba ccbc ccca cccb cccc cccf ccci ccee ccfa ccfc ccff ccfi ccic ccii ccob ccoc ceac ceba cec- ceca cece ceci ceco ceeb ceec cef- cefa cefc cfaa cfab cfac cfae cfao cfbc cfca cfcb cfcf cfco cffb cfia cfoa ciaa ciao ciba cibc cibe cibi cibo cica cicc cici cico ciee cifa cife ciff ciia ciii ciob coai coba cobb cobe cobi cobo coca coce coco cofc cofe coff cofi coia coif coob coof eaaf eaba eaca eacc eaec eafb eaif ebac ebba ebbc ebbo ebcc ebfc ebic eboe eboo ecaa ecac ecai ecao ecbc ecbe ecca eccb eccc ecce ecci ecco ecef ecfa ecfc ecib eco- eeca eeea eeee eefa eefe eeoc efab efca efco efeo effa effi efic eiao eica eico eiec eiei faaa faac faba fabe fabi fabo faca facc face faeb fafa fafc fafe faff fafi fafo faie faio fcab fcba fcca fccf fcic fcii feaf feba febo fece feeb fefc fefe feff fefi fefo feia feie feio feof ffcc ffee ffff ffii fiaa fiac fiaf fiba fibe fica ficc fice fico fiec fief fifa fifc fife fiff fifi fifo fiii fioe foaf foba foca foce foci foco fofo foia foie foof i-be iaaa iaac iaai iaba iaca iacc iaea iaec iafc iafe iaff iaia ibac ibca ibea ibec ibfi ibia ibie icaa icab icac icaf icai icao icbc icca iccb iccc iccf icci icco icea icec icee icef icfb icoc ieac iecc ieie ieio ifaa ifac ifae ifao ifbb ifco ific iiac iica iifa iiie iiii iiio iioi iioo ioba iobi ioci ioee iofc ioii ioio ioof iooi iooo o-eo oafc oafo oaic obai obba obbo obea obec obia obie oboe oboi ocab ocac ocbc occa occc occi oce ocee ocef ocfa oec- oeca oecc oeec off- offa offc offe offo oiba oici oiii ooaa ooba oobe oobi ooff ooia oooo

-aaa- a-fib a-iii aaaai aaace aaaee aaaoc aabaa aabba aacbc aacfo aaeaf aaice aaiib abaab ababa ababe abaca abaci abaco abaia abaie abbac abbai abbia abbie abccc abeba abebe abece abeie abfab abici abio- aboab abobo acaca acacb accia accio aceae acebo aceof acioa acoie aeaea aebbe aecia aface afaic afcea afcec afefe affif afief afifa afife aiaff