a-a a-b a-c aaa aab aac aad aak aar ab- aba abb abc abd abk abr ac- aca acb acc acd ack acr ad- ada adb adc add adk adr aka akb akc akd akk akr ar- ara arb arc ard ark arr baa bab bac bad bak bar bba bbb bbc bbd bbk bbr bca bcb bcc bcd bck bcr bda bdb bdc bdd bdk bdr bka bkb bkc bkk bkr bra brb brd brk brr c-- caa cab cac cad cak car cba cbb cbc cbd cbk cbr cca ccb ccc ccd cck ccr cda cdb cdc cdd cdk cdr cka ckb ckc ckd cra crb crc crd crk crr daa dab dac dad dak dar dba dbb dbc dbd dbk dbr dca dcb dcc dcd dck dcr dda ddb ddc ddd ddk ddr dka dkb dkc dkk dkr dra drb drc drd drk drr ka- kaa kab kac kad kak kar kba kbb kbc kbd kbk kbr kca kcb kcc kcd kck kcr kda kdb kdc kdk kdr kkb kkc kkk kkr kra krc krd krk krr ra- raa rab rac rad rak rar rba rbb rbc rbd rbk rbr rca rcb rcc rcd rcr rda rdb rdc rdd rdr rkb rkc rkk rra rrb rrc rrd rrk rrr

a-ak aaaa aaab aaac aaad aaar aaba aabb aabc aabd aaca aacb aacc aacd aack aacr aada aadc aaka aara aarc aard abaa abab abac abad abak abar abb- abba abbb abbr abca abcb abcc abcd abcr abda abra abrc acaa acab acac acad acar acba acca accc accd acda acdb acdc ackd acr- acra acrc acrr adaa adab adac adad adak adar adba adbc adcc adda addc addd addr adra akaa akar akca akka akr- akra arab arac arad arak arar arba arc- arca arda ardc arka arr- arra arrc arrk arrr baaa baad baak baar baba babb babr bac- baca bacc back bada badb badd badr bak- baka bakr bar- bara barb barc bard bark barr bbad bbbb bbdd bbrc bcaa bcar bcbc bcca bccc bcda bcra bd-r bdbc bddc brab brac brad brak brca brcb brda brka brkb brrr c-cd caaa caab caac caba cac- caca cacc cack cacr cada cadc cadd cadr caka cara carb carc card cark carr cbac cbar cbbc cbca cbcc cbcr cbdb cbdc cbka cbkr cbrd ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc ccdc ccdr ccra ccrc cd-r cdaa cdac cdad cdba cdda cddb cddr ckac ckbc ckck ckrc ckrd crab crac crar crbc crca crcc crcr crda crdc crkc daab daad daar daba dabb daca dada daka dara darb darc dard dark darr dbar dbcc dcbc dcca dccb dccc dcdb dcra dcrk dddd ddrc dkba dkdc draa drab drac drad drak drar drba drbc drca drda drra kaaa kaab kaak kaar kaba kabb kabc kabd kabr kacb kacc kacd kad- kada kadd kadr kaka kakc kakk kara karb kard kark karr kbaa kbab kbac kbad kbak kbar kbba kbbb kbbc kbbd kbbk kbbr kbca kbcb kbck kbcr kbdb kbdr kbkb kbkk kbkr kbra kbrb kbrc kbrd kbrk kcaa kcab kcac kcad kcar kcba kcbc kcbd kcbk kcbr kcca kccb kccc kccd kcck kccr kcda kcdc kcdd kcdr kckc kckk kckr kcrc kcrr kdaa kdab kdac kdad kdak kdar kdbb kdbr kdca kdcc kdcd kdcr kddb kddc kddd kddk kddr kdka kdkb kdkd kdkk kdkr kdrb kkaa kkac kkar kkba kkbb kkbd kkbr kkcb kkcd kkck kkcr kkda kkdc kkdd kkkk kkrb kkrc kkrk kkrr krab krac krad krak krar krba krbb krbd krbk krbr krca krcb krcc krcd krda krdc krdd krdr krka krkc krkd krkk krkr krrb krrc krrk krrr raab raad raak raba rabb rabk rac- raca racc rack rada radc radd radr raka rakk rara rarb rark rbbb rbbr rcac rcbc rccb rccc rcdc rcrd rdac rrad rrrr

-aaa- -abad aaadc aaarc aabaa aabba aabra aacbc aadac abaab ababa abaca aback abada abaka abara abbac abbad abbar abccc abcdb abkar abrac abrad abrak abrar acaca acacb acack acar- acara acard accad accra accrd acrab adaba adada adaka adara adark addra adkar adrad adrar akaba akard akbar akkad akkra akrak akrar ar-ab ara-c arab- araba araca arack arada arara arbab arbar ardab ardak ardra arkar arrak b-r-k baard babak babar babka babra bacab bacar bacca back- backa badak badar badra bakar bakka bakra bakrc baraa barab barac barad barak barar barba barca barda bark- barka barra bckdk braak braca bracc brack brada brard brdda brrar brrrr c-a-c c-kad ca-ca caaba cabra cacak cadac cadar caddr cadra cakra caraa carab carac carad carak carb- carck carda cark- carkd carra ccccc craba crabb crack crada cradd d-a-d d-rad daada daara dabar dabba dabra dacca dacka dadar dadda dadra dakar dakka daraa darab darak darba darda darra dback dccab ddddd draba draca drack draka k-b-d k-car k-rab k-rad kaaba kabaa kabab kabad kabak kabar kabba kacar kadar kakar kakka kakra karad karak karda karka kraak kraar krack kraka ra-ra raaba raack raard rabab rabac rabad rabak rabba rabda racak racka radar radka rakaa rakab rccar

aaaaba ababda abacab abarca abarka abraka accara ackack ackbar acrack adarra addada adrara akarca akbaba akkaba akraba akraka aracar aradac ararad arbra arcada ardara arraba arrack baabaa baabar baabda babarc babbar bacaba baccar badara badbad badbar badr-b bakara bakkar baraca barack barada baraka barara barbad barbar barbra barcar bardar barrad barrak bbbbbb bracak bracca caback cabar cabara cabarr cadaba cadca cakcak caraca carack carara carbak carcar cardak cdrack cracca crack- cracka dababa dabaca dabaka dabara dabdab dadaab dadada dadara dakkar daraar darara darbar dardar dracar ka-bar kaback kabaka kabara kabard kabbad kadaba kadaka kadbak kakara kakkad kakkak kakkar karaba karaca karada karaka karara kardar karkaa karkar karrab karrar krakda rababa racaka radara rakaca raraka

abadaba abdabad abradab ack-ack arakaka arkadak baabarr babacar bac-cab bacara bacarra baccara backarc backbar badarka badback bakarac barabad barabra barakar barback barbara bardaca barrack bbbbbbb cabback cadabra caracca carraca carrack carrara cra-cra dabbaba darabad darrara drakkar kabarak kabarda kacabac kadabra kadarka karabad karadak karadka karkaar karrada kra-kra krakaca