-ic a-a a-b a-c a-i aaa aab aac aae aai aak aao aax ab- aba abb abc abe abi abk abo abx ac- aca acb acc ace aci ack aco acx aea aeb aec aee aei aek aeo aex ai- aia aib aic aie aii aik aio aix aka akb akc ake aki akk ako aoa aob aoc aoe aoi aok aoo aox ax- axa axe axi axk axo axx baa bab bac bae bai bak bao bax bba bbb bbc bbe bbi bbk bbo bbx bca bcb bcc bce bci bck bco bcx be- bea beb bec bee bei bek beo bex bi- bia bib bic bie bii bik bio bix bka bkb bkc bke bkk bko bkx boa bob boc boe boi bok boo box bxb bxi bxo bxx c-- caa cab cac cae cai cak cao cax cba cbb cbc cbe cbi cbk cbo cbx cca ccb ccc cce cci cck cco ccx ce- cea ceb cec cee cei cek ceo cex ci- cia cib cic cie cii cik cio cix cka ckb ckc cki cko ckx co- coa cob coc coe coi cok coo cox cxc cxi cxk cxo cxx eaa eab eac eae eai eak eao eax eba ebb ebc ebe ebi ebk ebo ebx ec- eca ecb ecc ece eci eck eco ecx eea eeb eec eee eek eeo eex eia eib eic eie eii eik eio eix eka ekb ekc eke eki eko eo- eoa eob eoc eoe eoi eok eoo ex- exa exc exe exi exo exx ia- iaa iab iac iae iai iao iba ibb ibc ibe ibi ibk ibo ibx ica icb icc ice ici ick ico ie- iea iec iee iei iek iex iia iib iic iie iii iio iix ika ikb ikc ike iki ikk iko ikx io- ioa iob ioc ioe ioi ioo ixc ixe ixi ka- kaa kab kac kae kai kak kao kax kba kbb kbc kbe kbi kbk kbo kbx kca kcb kcc kce kci kck kcx ke- kea keb kec kee kei kek keo kex kia kib kic kie kii kik kio kix kkb kkc kke kki kkk koa kob koc koe koi kok koo kxo o-i oaa oab oac oae oai oak oao oax ob- oba obb obc obe obi obk obo obx oc- oca ocb occ oci ock oco ocx oea oeb oec oee oei oeo oex oia oib oic oie oii oik oio oka okb okc oke oki okk oko oo- ooa oob ooc ooi ook ooo oox ox- oxa oxb oxc oxi oxo oxx xaa xac xak xbc xbe xbx xcb xci xcx xee xex xia xic xie xii xio xix xkb xke xoa xoc xoi xok xoo xox xxi xxo xxx

a-ak a-be a-ii a-ok aaaa aaab aaac aaae aaai aaba aabb aabc aabi aaca aacb aacc aace aaci aack aaco aaea aaec aaib aaic aaii aaka aake aaoe aaoo abaa abab abac abae abai abak abax abb- abba abbb abbe abbi abbo abca abcb abcc abci abec abee abia abib abic abie aboa abob abok aboo abox acaa acab acac acae acai acba acca accc acce acci acco ace- acea acec acek aci- acia acic acie acke acoa acoe aeac aebi aecb aeci aeio aeka aiai aiba aibo aica aicc aice aiea aiee aiia aiib aiic aika aike aiki aiko aioc aioi aixa aixi akaa akae akai akao akca akee akia akie akik akio akka akki akko akok aoba aoca aoce aoki axce axi- axia axie axo- axoa axxo ba-i ba-x baaa baak baba babb babe babi babo bac- baca bacc bace baci back baco baek baia baib baic baie baik baio baix bak- baka bake baki bako baxi bbbb bbci bbeb bbox bcaa bcbc bcca bccc bcci bcec bcia bcie beak beba bebb bebe bebi bebo beca beci beck beeb beek beia beic beik beka beke beki beko beo- beok biak biao biba bibb bibe bibi bibo bica bicc bice bici bick bico bieb bike biko bio- bioc bioi biox bixa bixi boab boac boai boak boba bobb bobe bobi bobo boca boce bock boco boea boec boee boeo boi- boie boii boka boke boki boko boob booc booe book boox boxa c-bo caaa caab caac caba cabe cabi cabo cac- caca cacc cace caci cack caco caec caei caex caia caib caic caik caio caix caka cake caoi caxa cbac cbax cbbc cbca cbcc cbce cbea cbec cbee cbia cbka cbko cbox cbxa ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccix ccob ccoc ccxi ceac ceba cec- ceca cece ceci ceco ceeb ceec ceke cexe ciaa ciak ciao ciba cibc cibe cibi cibo cica cicc cici cico ciee ciia ciii cika ciko ciob cixi ckac ckbc ckbe ckbi ckbx ckck ckco ckcx ckoa ckob ckoc ckoi ckoo coai coak coax coba cobb cobe cobi cobo coca coce cock coco coex coia coix cok- coka coke coko coob cook coxa coxe cxii cxix cxxi cxxx eaba eaca eacc eaec ebac ebba ebbc ebbo ebcc ebic ebix eboe eboo ebox ecaa ecac ecai ecao ecbc ecbe ecca eccb eccc ecce ecci ecco ecib ecka ecko eco- eeca eeea eeee eeka eeke eeoc eiao eica eick eico eiec eiei eika eike eiki eiko eka- ekab ekco ekeb ekek ekka ekki ekoa ekoi eoka exa- exai exco exec exki exo- i-be iaaa iaac iaai iaba iaca iacc iaea iaec iaia ibac ibca ibea ibec ibex ibia ibie ibox icaa icab icac icai icao icbc icca iccb iccc icci icco icea icec icee icex icke icoc ieac iecc ieie ieio iiac iica iiie iiii iiio iioi iioo ikea ikee ikki ikko ikoo ioba iobi ioci ioee ioii ioio ioke ioko iooi iooo ixia ixxi k-ci kaaa kaab kaai kaak kaba kabb kabc kabe kabi kabo kacb kacc kace kaci kaco kaei kaeo kaia kaib kaic kaie kaii kaik kaio kaka kakc kake kaki kakk kako kakx kaoa kaoc kaoi kaok kaox kaxa kaxe kbaa kbab kbac kbae kbai kbak kbba kbbb kbbc kbbe kbbi