-al a-a a-b a-c aaa aab aac aak aal aar ab- aba abb abc abk abl abr ac- aca acb acc ack acl acr aka akb akc akk akl akr al- ala alb alc alk all alr ar- ara arb arc ark arl arr baa bab bac bak bal bar bba bbb bbc bbk bbl bbr bca bcb bcc bck bcl bcr bka bkb bkc bkk bkl bkr bla blb blc blk bll blr bra brb brk brl brr c-- caa cab cac cak cal car cba cbb cbc cbk cbl cbr cca ccb ccc cck ccl ccr cka ckb ckc cl- cla clb clc clk cll clr cra crb crc crk crl crr ka- kaa kab kac kak kal kar kba kbb kbc kbk kbl kbr kca kcb kcc kck kcl kcr kkb kkc kkk kkl kkr kl- kla klb klc klr kra krc krk krl krr la- laa lab lac lak lal lar lba lbb lbc lbk lbl lbr lca lcb lcc lck lcl lcr lka lkb lkl lkr lla llb llc llk lll llr lra lrb lrc lrk lrr ra- raa rab rac rak ral rar rba rbb rbc rbk rbl rbr rca rcb rcc rcl rcr rkb rkc rkk rla rlc rll rlr rra rrb rrc rrk rrl rrr

a-ak aaaa aaab aaac aaal aaar aaba aabb aabc aabl aaca aacb aacc aack aacl aacr aaka aala aalc aall aara aarc abaa abab abac abak abal abar abb- abba abbb abbr abca abcb abcc abcl abcr abla abra abrc acaa acab acac acar acba acbl acca accc acla aclc aclr acr- acra acrc acrr akaa akal akar akca akka akr- akra alaa alac alak alal alar alb- alba albc alca alcc alk- alka alkb all- alla alll allr arab arac arak aral arar arba arc- arca arka arla arr- arra arrc arrk arrr baaa baak baal baar baba babb babr bac- baca bacc back bak- baka bakl bakr bala balc balk ball bar- bara barb barc bark barr bbbb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcra blaa blab blac blak blkb blrc brab brac brak brca brcb brka brkb brrr caaa caab caac caal caba cac- caca cacc cack cacr caka cala calc calk call cara carb carc cark carl carr cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbka cbkl cbkr cblb cblc cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl ccla cclc ccra ccrc ccrl ckac ckbc ckck ckcl ckrc clab clar clra crab crac crar crbc crca crcc crcr crkc crkl kaaa kaab kaak kaal kaar kaba kabb kabc kabr kacb kacc kacl kaka kakc kakk kala kalb kalc kalk kall kara karb kark karl karr kbaa kbab kbac kbak kbal kbar kbba kbbb kbbc kbbk kbbl kbbr kbca kbcb kbck kbcl kbcr kbkb kbkk kbkl kbkr kbla kblb kbll kblr kbra kbrb kbrc kbrk kbrl kcaa kcab kcac kcal kcar kcba kcbc kcbk kcbl kcbr kcca kccb kccc kcck kccl kccr kckc kckk kckl kckr kcla kclc kclk kcll kclr kcrc kcrr kkaa kkac kkal kkar kkba kkbb kkbl kkbr kkcb kkck kkcl kkcr kkkk kklb kklc kkll kkrb kkrc kkrk kkrl kkrr klaa klab klac klak klal klar klbb klbc klbl klca klcb klcc klck klcl klcr klka klkc klkk klkl klkr klla kllb kllc kllk klrc klrk klrr krab krac krak kral krar krba krbb krbk krbl krbr krca krcb krcc krcl krka krkc krkk krkr krla krlc krrb krrc krrk krrl krrr laaa laac laak laal laar laba labr laca lacc lack lacl laka lala lall lara larb larc lark larr lbar lbcc lblr lcac lcbc lcca lccc lcra lcrl lkab lkal llcc lllc llll lrac lral lrba lrrc lrrr raab raak raba rabb rabk rabl rac- raca racc rack raka rakk rala ralb rall rara rarb rark rbbb rbbr rbcl rcac rcbc rccb rccc rlab rrrr

-aaa- aaarc aabaa aabba aabra aacbc abaab ababa abaca aback abaka abala aball abara abbac abbar abccc abkar ablak abrac abrak abrar acaca acacb acack acala acall acar- acara accra aclla acrab acral akaba akala akbar akkra akrak akrar alaba alaca alack alaka alala alara alark albac albal albar alcra alka- allal allar allra ar-ab ara-c arab- araba araca arack arara arbab arbar arkar arrak b-r-k baalc babak babar babka babra bacab bacar bacca back- backa bakal bakar bakka bakla bakra bakrc balac balak balal balar balca balck balka balla baraa barab barac barak baral barar barba barca bark- barka barla barra bball blaca blacc black braak braal braca bracc brack brall brrar brrrr c-a-c ca-ca caaba cabal cabra cabrl cacak cakra calc- calca calla callb caraa carab carac carak caral carb- carck cark- carla carra ccccc ccrcl clack clacl clara clark craal craba crabb crack crall k-car k-rab kaaba kaala kabaa kabab kabak kabal kabar kabba kacar kakar kakka kakra kalaa kalab kalac kalar kalba kalca kalka kalla kalra karak karka karla kcalb kcalc klara kraak kraal kraar krack kraka krall la-la labab labak labba labra lacca lacka lakka lalab lalar lalla larak larra lball ra-ra raaba raack rabab rabac rabak rabal rabba racak racal racka rakaa rakab ralla rccar

aaaaba aaalac aaccla abacab abalak abarca abarka abbala abraka accara ackack ackbar acrack akalla akarca akbaba akkaba akkala akraba akraka al-ala al-bab alacra alakal alarab alarba albala albara alcala alkara arabal aracar aralar arbra arraba arrack b-ball baabaa baabar babala babarc babbar bacaba bacal bacall baccar backal bakala bakara bakkar balaca balaka balara balcak balcar balkar ballal ballar baraca barack baraka barara barbal barbar barbra barcar barkla barrak bbbbbb bracak bracca c-lark caala caback cabala caball cabar cabara cabarr cabral cakcak calaba calaca calcar calcrl calla- callac caraca carack carara carbak carcar carral clacka clarab clarac cracca crack- cracka ka-bar kaback kabaka kabala kabara kablar kakara kakkak kakkar kalaba kalaka kalala kalara kalbar kalkal kalkar kallal kallar karaba karaca karaka karala karara karbla karkaa karkar karlal karrab karrar klakar laalaa labara lablab labral laccar laklar lalala lalara lalkar lallar lara-b larbaa larbar rababa racaka rakaca raraka