a-ak a-ii aaaa aaab aaai aaap aaar aaba aabb aabi aabp aaib aaii aaka aapa aapi aara aari aarp abaa abab abai abak abap abar abb- abba abbb abbi abbr abia abib abir abpa abpi abpp abpr abra abri aiai aiba aiia aiib aiir aika aiki aipa aipi aira airi airp akaa akai akap akar akia akik akir akka akki akr- akra apai apak apap apar apba apbr api- apia apip appa appr apra apri arab arai arak arap arar arba arbi aria arib arii arik arip arka arki arpa arpi arr- arra arri arrk arrr ba-i baaa baak baar baba babb babi babr baia baib baik bair bak- baka baki bakr bapa bapi bapp bar- bara barb bari bark barr bbbb bbpr biak biap biar biba bibb bibi bipa bipp bira birb biri birk birr bkpr bpai brab brai brak bria brik brka brkb brrr iaaa iaai iaap iaba iaia iapa iapp iara ibar ibia ibra ibri iiii iipa iira ikar ikki ikra ikri ipak ipba ipbk ippa ippr ipri irai irak irap irar irbp iri- iria irip irka irki irpa irra irri kaaa kaab kaai kaak kaap kaar kaba kabb kabi kabr kaia kaib kaii kaik kaip kair kaka kaki kakk kap- kapa kapi kapp kara karb kari kark karp karr kbaa kbab kbai kbak kbap kbar kbba kbbb kbbi kbbk kbbr kbia kbib kbik kbkb kbkk kbkr kbpa kbpi kbpk kbpr kbra kbrb kbri kbrk kiab kiai kiap kiar kiba kibb kibi kibr kiia kiii kiik kiip kika kiki kikk kikr kip- kipa kipi kipp kipr kira kirb kiri kirk kirp kirr kkaa kkai kkap kkar kkba kkbb kkbi kkbr kkia kkik kkkk kkpk kkrb kkrk kkrr kpak kpar kpba kpbb kpbi kpbr kpia kpir kpkk kpkr kppk kppp kppr kprb kpri kprk kprp kprr krab krai krak krap krar krba krbb krbi krbk krbr kria krib krik krka krki krkk krkr krpa krpi krpr krrb krri krrk krrr paak paap paar paba paia paib paik paip pair paka paki papa papb papi papp papr par- para pari park parp parr pbar pbpa pbpk piai pibb pibi piia piip pika piki pikk pipa pipi pipp pira piri pirk pirr pkia pkib ppap ppar ppib pppa pppp prai prar pri- pria prii prri raab raak raba rabb rabi rabk raia raii raik raip rair raka raki rakk rapa rapi rapp rara rarb rari rark rbbb rbbr riaa riab riai riak rib- riba riia rika riki rikk ripa ripi ripp ripr riri rpii rrrr