a-a a-b a-c aaa aab aac aan aao aar ab- aba abb abc abn abo abr ac- aca acb acc acn aco acr an- ana anb anc ann ano anr aoa aob aoc aon aoo aor ar- ara arb arc arn aro arr baa bab bac ban bao bar bba bbb bbc bbn bbo bbr bca bcb bcc bcn bco bcr bna bnb bnc bnn bno bnr boa bob boc bon boo bor bra brb brn bro brr c-- caa cab cac can cao car cba cbb cbc cbn cbo cbr cca ccb ccc ccn cco ccr cn- cna cnb cnc cnn cno cnr co- coa cob coc con coo cor cra crb crc crn cro crr naa nab nac nan nao nar nba nbb nbc nbn nbo nbr nca ncb ncc ncn nco ncr nna nnb nnc nnn nno no- noa nob noc non noo nor nra nrb nrc nrn nro nrr oaa oab oac oan oao oar ob- oba obb obc obn obo obr oc- oca ocb occ ocn oco ocr on- ona onb onc onn ono onr oo- ooa oob ooc oon ooo oor or- ora orb orc orn oro orr ra- raa rab rac ran rao rar rba rbb rbc rbn rbo rbr rca rcb rcc rcn rco rcr rna rnb rnc rnn rno rnr roa rob roc ron roo ror rra rrb rrc rrn rrr

-ana aaaa aaab aaac aaan aaar aaba aabb aabc aaca aacb aacc aacn aaco aacr aana aaon aaoo aara aarc aaro abaa abab abac aban abar abb- abba abbb abbo abbr abca abcb abcc abcn abcr aboa abob abon aboo abor abra abrc abro acaa acab acac acan acar acba acca accc acco acoa acon acor acr- acra acrc acro acrr ana- anaa anab anac anan anao anar anba anbb anbo anca ancc anco anna annb anno ano- anoa anon anor anrc aoba aoca aonb aono aora aorb aorn arab arac aran arar arba arc- arca arco arna arno aroa arob aron aroo aror arr- arra arrc arro arrr baaa baan baar baba babb babo babr bac- baca bacc bacn baco bana banc bann bano banr baon bar- bara barb barc barn baro barr bbbb bbrc bcaa bcar bcbc bcca bccc bcor bcra bnoc bnor bnrr boab boac boan boar boba bobb bobo boca boco bona bonc bonn bono boob booc boon boor bor- bora born boro borr brab brac bran brao brca brcb brna brno broa brob broc bron broo bror brrr c-bo caaa caab caac caan caba cabo cac- caca cacc caco cacr cana canc cann cano caor cara carb carc carn caro carr cbac cbar cbbc cbca cbcc cbcn cbcr cbna cbrn ccaa ccab ccac ccar ccba ccbc ccbn ccca cccb cccc ccna ccnb ccnc ccnr ccob ccoc ccra ccrc cnaa cnac cnbc cnco cnna cnrc cnrr coan coba cobb cobo coca coco con- cona conc conn cono coob coon cor- cora corb corc corn coro corr crab crac cran crar crbc crca crcc crcr crna crob croc cron croo cror naaa naab naac naan naar naba nabc nabo naca nacc naco nan- nana nanb nann nano naoc naor nara narc narn naro narr nbaa nbar nbbc nbbo nbca nbcc nbco ncaa ncac ncar ncba ncbc ncca nccc nccn nccr ncna ncnc ncoa ncoc ncor ncra ncrc nnnn noaa noac noba nobc nobo noco non- nona nonn nono noo- noob noon nooo noor nor- nora norb norc norn noro norr nrab nrca nrna nroc nron nrrc oara oban obba obbo obon obor obra obro ocab ocac ocan ocbc occa occc occn ocna ocon ocra ocro ocrr onab onan onar onc- onca onco onna onno onon onor onra ooaa ooba oocr oona oooo oora orab orac oran orao orar orba orbb orbo orca orco orna ornc orno oro- oron oror orra orro raab raan raba rabb rabo rac- raca racc raco rana ranc rann rano raob raoc rara rarb raro rbbb rbbr rcac rcbc rcbo rccb rccc rcnr rcon rnbr rnco roab roan roar rob- roba robb robo roca rocc roco rona ronc rono roob roon roor rora rorc roro rrna rrrr

-aaa- aaaoc aaarc aabaa aabba aabra aacbc aarna aaron abaab ababa abaca abaco abana abanc abann abano abaon abara abarn abbac abban abbar abcan abccc aboab abobo abona abono aboon abora aborc aborn abrac abran abrar abron acaca acacb acana acar- acara accra acnor acorn acrab acro- acrob acron anaba anaco anana anara anban anbar ancar ancon ancor annan annar anncr anoba anona anono anoon anora anorn ar-ab ara-c arab- araba arabo araca araco arana aranc arano arara arbab arbar arbon arbor arcan arcoa arcon arcor arnac arnan arnar arno- arnon arnor aroab aroar aroba arona aroon aroor arora arran arron baarn baban babar baboo babra bacab bacao bacar bacca bacco bacon banan banar banba banca banco banna banon baoro baraa barab barac baran barao barar barba barca barco barna baro- baroa baron baroo baror barra barro bo-bo boaco boann boano boaro bobac boban bobar boboc bobr bocac bocao bocar bocca bocna bocoa bocon bocor bonab bonan bonao bonar bonon booba booco boora boorn borac boran borba borbo borca born- borna borno boro- boroa boron boroo borra borro braca bracc braco brana branc brann brobo broca brona bronc bronn broon brora brrar brrrr c-a-c c-cor c-ran ca-ca caaan caaba caano caban cabob caboc cabon cabra cacao caco- cacoa canan canao canar canna canoa canon canoo canor caoba caraa carab carac carb- carbo carna carno caroa carob caron carra carro ccccc cnnnn co-bo co-co coana coarb coarc coban cobar cobra cocao cocc- cocco cocoa cocon conan conca conco concr conna cono- conob conon conor cooba coran corba corbo corca corna corno coro- coron corra craba crabb craco cran- crana crann craon crcna crnac crnca croan croco croon naban nabao nabar nabba naboa nabob naboo nabor nacaa nacac nacar nacba naccc nacna nacro nanan nanao nann- nanna nanno nano- nanoa nanoc nanon naran narc- narco naroo naror narra narro nbaon ncora nnooo no-no nobar noboa nobob nocab nocan