a-a a-b aaa aab aak aan aar aas ab- aba abb abk abn abr abs aka akb akk akn akr aks an- ana anb ank ann anr ans ar- ara arb ark arn arr ars as- asa asb ask asn asr ass baa bab bak ban bar bas bba bbb bbk bbn bbr bbs bka bkb bkk bkn bkr bks bna bnb bnk bnn bnr bns bra brb brk brn brr brs bsa bsb bsk bsn bsr bss ka- kaa kab kak kan kar kas kba kbb kbk kbn kbr kbs kkb kkk kkn kkr kks kn- kna knk knn knr kra krk krn krr krs ksa ksb ksk ksn ksr kss naa nab nak nan nar nas nba nbb nbk nbn nbr nbs nka nkk nkn nkr nks nna nnb nnk nnn nns nra nrb nrk nrn nrr nrs nsa nsb nsk nsn nsr nss ra- raa rab rak ran rar ras rba rbb rbk rbn rbr rbs rkb rkk rks rna rnb rnn rnr rns rra rrb rrk rrn rrr rrs rsa rsb rsk rsn rsr rss saa sab sak san sar sas sba sbb sbk sbn sbr sbs sk- ska skb skk skr sks sna snb snk snn snr sns sr- sra srb srk srn srr srs ss- ssa ssb ssk ssn ssr sss

-ana a-ak aaaa aaab aaan aaar aaas aaba aabb aaka aana aara aars aasa aass abaa abab abak aban abar abas abb- abba abbb abbr abbs abra abrs abs- absa abss akaa akan akar akas akka akna akr- akra aksa ana- anaa anab anak anan anar anas anba anbb ank- anka anna annb anns ansa arab arak aran arar aras arba arbs arka arks arna arnk arns arr- arra arrk arrr arrs ars- arsa arsk asaa asab asak asan asar asas asba aska askr asks asra asrs assa assk assn assr asss baaa baak baan baar baas baba babb babr babs bak- baka bakr baks bana bank bann banr bans bar- bara barb bark barn barr bars basa bask bass bbas bbbb bbbs bnas bnrr bnss brab brak bran bras brka brkb brna brns brrr brrs brsb brsr bsaa bsas bsns bsra kaaa kaab kaak kaan kaar kaas kaba kabb kabr kaka kakk kakn kaks kana kanb kann kans kara karb kark karn karr kars kas- kasa kasb kask kasn kasr kass kbaa kbab kbak kbar kbas kbba kbbb kbbk kbbr kbbs kbkb kbkk kbkr kbna kbnn kbnr kbra kbrb kbrk kbrn kbsa kbsb kbsk kbsn kbsr kbss kkaa kkan kkar kkba kkbb kkbn kkbr kkbs kkkk kknb kknn kkns kkrb kkrk kkrn kkrr kkrs kksa kksn kksr kkss knaa knab knan knar knas knba knbb knbn knbr knkk knnb knnk knnr knns knrb knrk knrs knsa knsb knsk knsn knsr knss krab krak kran krar kras krba krbb krbk krbr krka krkk krkn krkr krks krna krnb krnk krnn krrb krrk krrn krrr krrs krsa krsk krsn krsr krss ksab ksak ksan ksar ksas ksba ksbn ksbr ksbs kska kskb kskk kskn kskr ksks ksna ksnb ksnk ksnn ksnr ksns ksra ksrb ksrn ksrr ksrs kssa kssn kssr ksss naaa naab naan naar naas naba nabk nabs naka naks nan- nana nanb nann nans nara nark narn narr nars nas- nasa nasb nask nasr nass nbaa nbak nbar nbas nnnn nnsa nnss nrab nras nrna nrsa nsaa nsar nskk nsna nsnr nsra nssa nssb nssr nsss raab raak raan raas raba rabb rabk rabs raka rakk rana rank rann rans rara rarb rark rars rasa rask rass rbbb rbbr rbbs rbss rkss rnas rnbr rras rrna rrrr rsaa rsna rsnn rsnr rssa saab saak saan saar saas saba sabb sabr sabs saka sakb sakk saks sana sank sann sanr sans sara sark sarn sarr sars sasa sask sass sbaa sbar sbas sbbs sbrk sbsa skab skan skar skn- skra skss snab snak snar snas snba snns snra snrk snrs sras srna srnn ssaa ssab ssan ssas ssbn ssbr ssns ssra ssrs sssa sssb ssss

-aaa- aaaas aaasa aaass aabaa aabba aabra aarna aasra abaab ababa ababs abaka abana abank abann abara abarn abasa abask abass abban abbar abbas abbrs abkar abnak abrak abran abrar abras absar akaba akana akans akasa akban akbar akbas akkas akkra akrak akrar aksar anaba anaka anaks anana anara anasa anass anban anbar ankaa ankas annan annar annas anras ansan ansar ar-ab arab- araba arabs araks arana arank arans arara arars arass arbab arbar arbas arkan arkar arkas arkna arnan arnar arnas arnks arrak arran arras arsan asaak asaba asaka asana asara asasa asbak askan askar askas asksa asnan asnas asrar assab assan assas assns b-r-k baarn baars babak baban babar babas babbs babka babns babra babsk bakan bakar bakka bakra baksa banak banan banar banas banba banka banks banna banns bansa baraa barab barak baran barar baras barba barbs bark- barka barks barna barns barra barrs barsa barss basab basak basan basar baska basks basna basra bassa braak braas brana brank brann brans brasa brask brass brrar brrrr bsaba k-rab kaaba kaaks kabaa kabab kabak kaban kabar kabas kabba kabsa kakan kakar kakas kakka kakra kanab kanak kanas kanka kanna kansa kansk karak karan karas karka karna karns karsa karsk kasab kasak kasan kasba kaska kasra kassa kbank knabs knark knarr knars kraak kraan kraar kraka krank krans krars krass krnka ksars naaak naans naban nabar nabas nabba nabks nakar nakba naksa nanak nanan nanas nanka nann- nanna narak naran naras narka narks narra nasaa nasan nasar nasba nassa nassr nkana nkara nrank nrnas nsaba nsasa ra-ra raaba raasa rabab rabak raban rabas rabba rakaa rakab rakan ranas ranka ranks ranna ranns ransk rasak rasan rasar rasas raska rasna rasra rassa rrnas sa-ra saaba saabs saana saans saara saasa sabak saban sabar sabas sabra sabsa sakan sakar sakka sakna sakra saksa sanaa sanar sanas sanba sanka sanna sanns sansa saraa sarab sarak saran saras sarka sarks sarna sarns sarra sarsa sasak sasan saska sasna sassa sbrna skaar skana skank skans skara skarn snabs snark snasa snbrn srb-a