a-a a-b a-c aaa aab aac aak aan aar ab- aba abb abc abk abn abr ac- aca acb acc ack acn acr aka akb akc akk akn akr an- ana anb anc ank ann anr ar- ara arb arc ark arn arr baa bab bac bak ban bar bba bbb bbc bbk bbn bbr bca bcb bcc bck bcn bcr bka bkb bkc bkk bkn bkr bna bnb bnc bnk bnn bnr bra brb brk brn brr c-- caa cab cac cak can car cba cbb cbc cbk cbn cbr cca ccb ccc cck ccn ccr cka ckb ckc cn- cna cnb cnc cnn cnr cra crb crc crk crn crr ka- kaa kab kac kak kan kar kba kbb kbc kbk kbn kbr kca kcb kcc kck kcn kcr kkb kkc kkk kkn kkr kn- kna knc knk knn knr kra krc krk krn krr naa nab nac nak nan nar nba nbb nbc nbk nbn nbr nca ncb ncc nck ncn ncr nka nkc nkk nkn nkr nna nnb nnc nnk nnn nra nrb nrc nrk nrn nrr ra- raa rab rac rak ran rar rba rbb rbc rbk rbn rbr rca rcb rcc rcn rcr rkb rkc rkk rna rnb rnc rnn rnr rra rrb rrc rrk rrn rrr

-ana a-ak aaaa aaab aaac aaan aaar aaba aabb aabc aaca aacb aacc aack aacn aacr aaka aana aara aarc abaa abab abac abak aban abar abb- abba abbb abbr abca abcb abcc abcn abcr abra abrc acaa acab acac acan acar acba acca accc acr- acra acrc acrr akaa akan akar akca akka akna akr- akra ana- anaa anab anac anak anan anar anba anbb anca ancc ank- anka anna annb anrc arab arac arak aran arar arba arc- arca arka arna arnk arr- arra arrc arrk arrr baaa baak baan baar baba babb babr bac- baca bacc back bacn bak- baka bakr bana banc bank bann banr bar- bara barb barc bark barn barr bbbb bbrc bcaa bcar bcbc bcca bccc bcra bnrr brab brac brak bran brca brcb brka brkb brna brrr caaa caab caac caan caba cac- caca cacc cack cacr caka cana canc cank cann cara carb carc cark carn carr cbac cbar cbbc cbca cbcc cbcn cbcr cbka cbkn cbkr cbna cbrn ccaa ccab ccac ccar ccba ccbc ccbn ccca cccb cccc ccna ccnb ccnc ccnr ccra ccrc ckac ckan ckbc ckck cknb cknc ckrc cnaa cnac cnbc cnna cnrc cnrr crab crac cran crar crbc crca crcc crcr crkc crna kaaa kaab kaak kaan kaar kaba kabb kabc kabr kacb kacc kaka kakc kakk kakn kana kanb kann kara karb kark karn karr kbaa kbab kbac kbak kbar kbba kbbb kbbc kbbk kbbr kbca kbcb kbck kbcr kbkb kbkk kbkr kbna kbnn kbnr kbra kbrb kbrc kbrk kbrn kcaa kcab kcac kcar kcba kcbc kcbk kcbr kcca kccb kccc kcck kccr kckc kckk kckn kckr kcnb kcnr kcrc kcrn kcrr kkaa kkac kkan kkar kkba kkbb kkbn kkbr kkcb kkck kkcn kkcr kkkk kknb kknn kkrb kkrc kkrk kkrn kkrr knaa knab knac knan knar knba knbb knbc knbn knbr knca kncb knck kncn kncr knkk knnb knnk knnr knrb knrk krab krac krak kran krar krba krbb krbk krbr krca krcb krcc krcn krka krkc krkk krkn krkr krna krnb krnk krnn krrb krrc krrk krrn krrr naaa naab naac naan naar naba nabc nabk naca nacc nack naka nan- nana nanb nann nara narc nark narn narr nbaa nbak nbar nbbc nbca nbcc ncaa ncac ncar ncba ncbc ncca nccc nccn nccr ncna ncnc ncra ncrc nnnn nrab nrca nrna nrrc raab raak raan raba rabb rabk rac- raca racc rack raka rakk rana ranc rank rann rara rarb rark rbbb rbbr rcac rcbc rccb rccc rcnr rnbr rrna rrrr

-aaa- aaarc aabaa aabba aabra aacbc aarna abaab ababa abaca aback abaka abana abanc abank abann abara abarn abbac abban abbar abcan abccc abkar abnak abrac abrak abran abrar acaca acacb acack acana acar- acara accra acrab akaba akana akban akbar akkra akrak akrar anaba anack anaka anana anara anban anbar ancar ankaa annan annar anncr ar-ab ara-c arab- araba araca arack arana aranc arank arara arbab arbar arcan arkan arkar arkna arnac arnan arnar arrak arran b-r-k baarn babak baban babar babka babra bacab bacar bacca back- backa backn bakan bakar bakka bakra bakrc banak banan banar banba banca banck banka banna baraa barab barac barak baran barar barba barca bark- barka barna barra braak braca bracc brack brana branc brank brann brrar brrrr c-a-c c-ran ca-ca caaan caaba caban cabra cacak cakra canan canar canna caraa carab carac carak carb- carck cark- carna carra ccccc cnnnn craba crabb crack cran- crana crank crann crcna crnac crnca k-car k-rab kaaba kabaa kabab kabak kaban kabar kabba kacar kakan kakar kakka kakra kanab kanak kanka kanna karak karan karka karna kbank knack knark knarr kraak kraan kraar krack kraka krank krnka naaak naban nabar nabba nacaa nacac nacar nacba naccc nacka nacna nakar nakba nanak nanan nanka nann- nanna narak naran narc- narka narra nkana nkara nrank ra-ra raaba raack rabab rabac rabak raban rabba racak racan racka rakaa rakab rakan ranac ranca ranck ranka ranna rannc rccar

aaaaba aanaar abaana abacab abakan abanar abanca abaran abarca abarka abbana abraka accara ackack ackbar acrack akarca akbaba akbank akkaba akraba akraka anaana anabaa anabar anakar ananab anarak anaran ancara ankara annaba araban aracar arakan aranca arbra arcana arkana arnaba arnara arraba arrack baabaa baabar babana babarc babbar bacaba baccar bakara bakkar bakran banaba banana banara banbar bankra bannan bannar baraan baraca barack baraka barana barara barban barbar barbra barcar barkan barrak barran bbbbbb bracak bracca brakan branca branck branka branna c-anca cabaan caback cabana cabar cabara cabarr cabban cakcak cakran canaa canaan canaba canara canbar cancan cancar cankar cannan caraca carack carana carara carbak carcan carcar carnac carnan carran cracca crack- cracka cranck k-bank ka-bar kaakan kaback kabaka kabana kabara kakana kakara kakkak kakkar kana-a kanaan kanaka kanana kanara