a-a a-b a-c aaa aab aac aad aae aak aaw aax ab- aba abb abc abd abe abk abw abx ac- aca acb acc acd ace ack acw acx ad- ada adb adc add ade adk adw adx aea aeb aec aed aee aek aew aex aka akb akc akd ake akk akw aw- awa awb awc awd awe awk aww ax- axa axe axk axx baa bab bac bad bae bak baw bax bba bbb bbc bbd bbe bbk bbw bbx bca bcb bcc bcd bce bck bcx bda bdb bdc bdd bde bdk bdw bdx be- bea beb bec bed bee bek bew bex bka bkb bkc bke bkk bkw bkx bwa bwb bwc bwd bwk bxb bxd bxw bxx c-- caa cab cac cad cae cak caw cax cba cbb cbc cbd cbe cbk cbw cbx cca ccb ccc ccd cce cck ccw ccx cda cdb cdc cdd cde cdk cdw cdx ce- cea ceb cec ced cee cek cew cex cka ckb ckc ckd ckw ckx cw- cwa cwb cwc cwd cwe cwk cxc cxk cxx daa dab dac dad dae dak daw dax dba dbb dbc dbd dbe dbk dbx dca dcb dcc dcd dce dck dcw dcx dda ddb ddc ddd dde ddk ddw ddx de- dea deb dec ded dee dek dew dex dka dkb dkc dke dkk dkw dkx dwa dwb dwc dwe dww dwx dxc dxd dxx eaa eab eac ead eae eak eaw eax eba ebb ebc ebd ebe ebk ebw ebx ec- eca ecb ecc ecd ece eck ecw ecx ed- eda edb edc edd ede edk edw edx eea eeb eec eed eee eek eew eex eka ekb ekc ekd eke ewa ewb ewc ewd ewe ewk eww ex- exa exc exd exe exw exx ka- kaa kab kac kad kae kak kaw kax kba kbb kbc kbd kbe kbk kbw kbx kca kcb kcc kcd kce kck kcx kda kdb kdc kde kdk kdx ke- kea keb kec ked kee kek kew kex kkb kkc kke kkk kw- kwa kwc kwd kwk kww waa wab wac wad wae wak waw wax wba wbb wbc wbd wbe wbw wbx wca wcb wcc wcd wce wck wcw wcx wda wdb wdc wea web wec wed wee wek wew wex wka wkb wkc wkd wke wkw wwa wwc wwd wwe www wxc wxw xaa xac xad xak xbc xbe xbx xcb xcd xcx xda xdb xdc xde xdk xed xee xew xex xkb xke xwa xwd xxx

a-ak a-be a-wa aaaa aaab aaac aaad aaae aaba aabb aabc aabd aabw aaca aacb aacc aacd aace aack aada aadc aade aaea aaec aaka aake aaww abaa abab abac abad abae abak abaw abax abb- abba abbb abbe abca abcb abcc abcd abcw abda abec abed abee abwa abwe acaa acab acac acad acae acba acca accc accd acce acda acdb acdc acde ace- acea acec aced acek ackd acke ackw acwa acww adaa adab adac adad adae adak adaw adba adbc adcc adda addc addd adde adea adeb adee adew adwa aeac aecb aede aeka akaa akae akca aked akee akka akwa awac awad awae awbe awe- aweb awed awee awka awwa axce axed ba-x baaa baad baak baba babb babe bac- baca bacc bace back bada badb badd bade baed baek bak- baka bake baw- bawd bawe bawk bbad bbbb bbdd bbeb bbwc bcaa bcbc bcca bccc bcda bcde bcec bdbc bddc bead beak beaw beba bebb bebe beca beck beda bede beeb beed beek beka beke bewa bewe bwaa c-cd caaa caab caac caba cabe cac- caca cacc cace cack cacw cada cadc cadd cade cadw caec caex caka cake cawk caxa cbac cbax cbbc cbca cbcc cbce cbdb cbdc cbea cbec cbee cbka cbwa cbwd cbxa ccaa ccab ccac ccad ccba ccbc ccca cccb cccc ccdc cced ccee cckw cd-e cdaa cdac cdad cdax cdba cdda cddb cdec cdex ceac cead ceba cec- ceca cece ceda cedd cede ceeb ceec ceke cewa cewe cexe ckac ckbc ckbe ckbx ckck ckcw ckcx ckwd ckww ckwx cwac cweb cxxx daab daad daae daba dabb daca dace dada dade daeb daka dake dawa dawd dawe dawk dbcc dcbc dcca dccb dccc dcdb dcxx dddd deac dead deae deak deaw deba debe dec- deca decc decd dece deck deda dedd dede deeb deed deek dek- deka deke dewa dewe dex- dexa dexe dkba dkdc dwac dwad dwbe dwcw dwdd dwec dwkc dwkx dwwe dwww dxab dxbc dxbe dxcb dxcc dxck dxdc dxec dxed dxkb dxkx dxwk dxxx eaba eaca eacc eada eadb eadd eaec ebac ebba ebbc ebbw ebcc ebed ecaa ecac ecad ecbc ecbe ecca eccb eccc ecce ecdc eced ecka ecwa edac edad edaw edax edca edda eddc edde ede- edea edex eeca eede eeea eeee eeka eeke eka- ekab ekeb eked ekek ekka ekwe ewew exa- exda exec exed kaaa kaab kaak kaba kabb kabc kabd kabe kabw kacb kacc kacd kace kacw kad- kada kadd kade kaka kakc kake kakk kakx kaw- kawa kawc kawe kawk kaww kaxa kaxe kbaa kbab kbac kbad kbae kbak kbba kbbb kbbc kbbd kbbe kbbk kbbw kbca kbcb kbce kbck kbcw kbdb kbde kbdx kbeb kbec kbed kbee kbek kbew kbex kbkb kbkk kbkw kbwa kbwb kbwc kbwd kbww kbwx kbxb kbxd kbxx kc-x kcaa kcab kcac kcad kcaw kcba kcbc kcbd kcbk kcbw kcbx kcca kccb kccc kccd kcck kcda kcdc kcdd kcdx kcea kceb kcec kced kcee kckc kckk kckx kcwa kcwb kcwc kcwd kcwe kcwk kcwx kdaa kdab kdac kdad kdae kdak kdbb kdbx kdca kdcc kdcd kdce kddb kddc kddd kddk kddx kdeb kdec kdew kdex kdka kdkb kdkd kdkk kdwa kdwd kdxa kdxe kdxx kea- kead keak keba kebb kebc kebe keca keck keda kedb kedc kedd kede keed keek keka kekb kekc keke kewa kewb kewe kexa kexb kexx kkaa kkac kkaw kkba kkbb kkbd kkbe kkcb kkcd kkck kkcw kkda kkdc kkdd kkea kked kkex kkkk kkwb kkwd kkwe kkwk kkxa kkxk kkxx kwab kwac