a-a a-b a-i a-t aaa aab aai aak aap aar aas aat ab- aba abb abi abk abp abr abs abt ai- aia aib aii aik aip air ais ait aka akb aki akk akp akr aks ap- apa apb api apk app apr aps apt ar- ara arb ari ark arp arr ars art as- asa asb asi ask asp asr ass ast at- ata atb ati atp atr ats att b-p baa bab bai bak bap bar bas bat bba bbb bbi bbk bbp bbr bbs bbt bi- bia bib bii bik bip bir bis bit bka bkb bkk bkp bkr bks bkt bpa bpb bpi bpp bpr bps bpt bra brb bri brk brp brr brs brt bsa bsb bsi bsk bsp bsr bss bst bta btb bti btk btp btr bts btt ia- iaa iab iai iap iar ias iat iba ibb ibi ibk ibp ibr ibs ibt iia iib iii iip iir iis iit ika ikb iki ikk ikr iks ikt ipa ipb ipi ipp ipr ips ipt ir- ira irb iri irk irp irr irs irt is- isa isb isi isk isp isr iss ist ita itb iti itk itp its itt k-t ka- kaa kab kai kak kap kar kas kat kba kbb kbi kbk kbp kbr kbs kia kib kii kik kip kir kis kit kkb kki kkk kkp kkr kks kkt kpa kpi kpk kpp kpr kps kpt kra kri krk krp krr krs krt ksa ksb ksi ksk ksp ksr kss kst kta ktb ktk ktp ktr kts ktt p-p paa pab pai pak pap par pas pat pba pbb pbi pbk pbp pbr pbs pbt pia pib pii pik pip pir pis pit pka pkb pki pkp pkr pks pkt ppa ppb ppi ppk ppp ppr pps ppt pra prb pri prk prp prr prs prt ps- psa psb psi psk psp psr pss pst pt- pta ptb pti ptk ptp ptr pts ptt ra- raa rab rai rak rap rar ras rat rba rbb rbi rbk rbp rbr rbs rbt ria rib rii rik rip rir ris rit rkb rkk rkp rks rkt rpa rpb rpi rpk rpp rpr rps rpt rra rrb rri rrk rrp rrr rrs rrt rsa rsb rsi rsk rsp rsr rss rst rta rtb rti rtk rtp rtr rts rtt saa sab sai sak sap sar sas sat sba sbb sbi sbk sbp sbr sbs sbt sia sib sii sik sip sir sis sit sk- ska skb ski skk skp skr sks skt spa spb spi spk spp spr sps spt sr- sra srb sri srk srp srr srs srt ss- ssa ssb ssi ssk ssp ssr sss sst sta stb sti stk stp str sts stt taa tab tai tak tap tar tas tat tba tbb tbi tbk tbp tbr tbs tbt tia tib tii tik tip tir tis tit tka tkb tkk tkp tkr tks tkt tpa tpb tpi tpk tpp tpr tps tpt tra trb tri trk trp trr trs trt tsa tsb tsi tsk tsp tsr tss tst tta ttb tti ttk ttp ttr tts ttt

a-ak a-ii aaaa aaab aaai aaap aaar aaas aaba aabb aabi aabp aabt aaib aaii aais aaka aapa aapi aaps aapt aara aari aarp aars aart aasa aasi aass aast aata aatk aatt abaa abab abai abak abap abar abas abat abb- abba abbb abbi abbr abbs abbt abia abib abir abis abit abpa abpi abpp abpr abps abra abri abrs abs- absa absi absp abss abta abts aiai aias aiba aiia aiib aiir aika aiki aiks aipa aipi aips aira airi airp airs airt aisa aisb aisi aisk aisr aist aita aiti aitr aits aitt akaa akai akap akar akas akia akik akir akis akka akki akr- akra aksa aksi akst apai apak apap apar apas apat apba apbr apbs api- apia apip apis apit appa appr apps appt apra apri aprs aprt apsa apsi apss apta apti apts aptt arab arai arak arap arar aras arat arba arbi arbs aria arib arii arik arip aris arit arka arki arks arpa arpi arps arr- arra arri arrk arrr arrs arrt ars- arsa arsi arsk arst arta arti artr arts asaa asab asai asak asap asar asas asat asba asia asii asik asip asir asis asit aska aski askr asks askt aspa aspi aspr asps aspt asra asrs assa assi assk assp assr asss asst asta astb asti astp astr asts at-t ataa atab atai atak atap atar atas atat atbs atia atik atip atis atit atka atkt atpr atra atri atrk atrp atsb atsi atst atta atti attp attr atts ba-i baaa baak baar baas baat baba babb babi babr babs baia baib baik bair bais bait bak- baka baki bakr baks bakt bapa bapi bapp baps bapt bar- bara barb bari bark barr bars bart basa basi bask bass bast bata bati bats batt bbas bbbb bbbs bbpr biak biap biar bias biat biba bibb bibi bibs biis bipa bipp bips bira birb biri birk birr birs birt bis- bisa bisk bisp biss bist bita bits bitt bkpr bkpt bksp bpai bpsa bpti brab brai brak bras brat bria brik bris brit brka brkb brrr brrs brsb brsr brst bsaa bsap bsas bsat bskt bspp bspr bsra bsts btaa btbp btps btrt btss bttb iaaa iaai iaap iaas iaat iaba iaia iais iapa iapp iaps iapt iara iars iart iasa iasi iask iasp iasr iata iati ibar ibas ibat ibia ibis ibra ibri ibsa ibss ibtb ibts iias iiii iiis iiit iipa iira iirs iisi iisp iisr iist iita iitr iitt ikar ikat ikki ikra ikri ipak ipas ipat ipba ipbk ippa ippr ipri ipsa ipsi ipsp ipss ipta ipts irai irak irap irar iras irbp iri- iria irip iris irka irki irks irpa irps irra irri irrs irsa irsp irta irti irtp irts is-a isai isak isar isas isat isba isbt isia isis isit iska ispa ispr isps isra isri isrp issa issi issp issr isss ista isti istp istr