a-a a-b a-i a-t aaa aab aae aaf aai aak aap aat ab- aba abb abe abf abi abk abp abt aea aeb aee aef aei aek aep aet af- afa afb afe aff afi afk afp aft ai- aia aib aie aif aii aik aip ait aka akb ake aki akk akp ap- apa apb ape apf api apk app apt at- ata atb ate atf ati atp att b-p baa bab bae baf bai bak bap bat bba bbb bbe bbf bbi bbk bbp bbt be- bea beb bee bef bei bek bep bet bfa bfb bfe bff bfi bfp bft bi- bia bib bie bif bii bik bip bit bka bkb bke bkf bkk bkp bkt bpa bpb bpe bpf bpi bpp bpt bta btb bte btf bti btk btp btt eaa eab eae eaf eai eak eap eat eba ebb ebe ebf ebi ebk ebp ebt eea eeb eee eef eek eep eet ef- efa efb efe eff efi efp eft eia eib eie eif eii eik eip eit eka ekb eke ekf eki ekp ekt ep- epa epb epe epf epi epp ept eta etb ete etf eti etk etp ett faa fab fae faf fai fak fap fat fba fbb fbe fbf fbi fbk fbp fbt fea feb fee fef fei fek fep fet ffa ffe fff ffi ffk ffp fft fia fib fie fif fii fik fip fit fka fkb fkf fki fkk fkp fkt fpa fpb fpe fpi fpk fpp fpt fta ftb fte ftf fti ftk ftp ftt i-f ia- iaa iab iae iaf iai iap iat iba ibb ibe ibf ibi ibk ibp ibt ie- iea iee ief iei iek iep iet ifa ifb ife iff ifi ifp ift iia iib iie iif iii iip iit ika ikb ike ikf iki ikk ikt ipa ipb ipe ipf ipi ipp ipt ita itb ite itf iti itk itp itt k-t ka- kaa kab kae kaf kai kak kap kat kba kbb kbe kbf kbi kbk kbp ke- kea keb kee kef kei kek kep ket kfa kff kfi kia kib kie kif kii kik kip kit kkb kke kki kkk kkp kkt kpa kpe kpf kpi kpk kpp kpt kta ktb kte ktf ktk ktp ktt p-p paa pab pae paf pai pak pap pat pba pbb pbe pbf pbi pbk pbp pbt pea peb pee pef pei pek pep pet pfa pfb pfe pff pfi pfk pfp pft pia pib pie pif pii pik pip pit pka pkb pke pkf pki pkp pkt ppa ppb ppe ppf ppi ppk ppp ppt pt- pta ptb pte ptf pti ptk ptp ptt taa tab tae taf tai tak tap tat tba tbb tbe tbf tbi tbk tbp tbt te- tea teb tee tef tei tek tep tet tfa tfb tfe tff tfi tfk tfp tft tia tib tie tif tii tik tip tit tka tkb tke tkk tkp tkt tpa tpb tpe tpf tpi tpk tpp tpt tta ttb tte ttf tti ttk ttp ttt

a-ak a-be a-ii aaaa aaab aaae aaaf aaai aaap aaba aabb aabi aabp aabt aaea aaep aafa aafb aaff aafi aaib aaii aaka aake aapa aapi aapt aata aatf aatk aatt abaa abab abae abaf abai abak abap abat abb- abba abbb abbe abbi abbt abee abet abff abia abib abie abit abpa abpi abpp abta aeaf aeap aebi aeit aeka aeta aetf aett afaa afak afap afat afee afek afet affa affi afft afia afib afif afik afit afka afpa afpe afta afte aftp aiai aiba aiea aiee aiet aiff aiia aiib aika aike aiki aipa aipe aipf aipi aita aite aitf aiti aitt akaa akae akai akap akee akia akie akif akik akka akki akte apai apak apap apat apba apea apep apet apfa apft api- apia apie apip apit apke appa appt apta apte apti aptt at-t ataa atab atae atai atak atap atat atea atee atef atei atep atfb atfe atia atie atif atik atip atit atka atkt atta atte atti attp ba-i baaa baaf baak baat baba babb babe babi baek baff baft baia baib baie baik bait bak- baka bake baki bakt bapa bape bapi bapp bapt bata bate batf bati batt bbbb bbeb bbet beaf beak beap beat beba bebb bebe bebi beeb beef beek beep beet befa befe beff beft beia beik beit beka beke beki beta bete beti bett bfpp bfta bftt biaf biak biap biat biba bibb bibe bibi bieb bief biet bifa biff bifi bike bipa bipp bita bite bitt bkpt bpai bpea bptf bpti btaa btaf btbp btek btie bttb eaaf eaba eafb eaif eapp eata eate eati ebba ebit eeea eeee eefa eefe eeka eeke eeta eete efab efet effa effi efik efit efke efpa eft- efta eftp eiei eika eike eiki eita eitb eiti eka- ekab ekeb ekek eket ekka ekki ekpe ekta epaa epee epfa epi- epia epie epik epip epit eppa eppp epta epte etai etak etap etat etee etfa etfb etfe etik etka etta ette etti f--k faaa faap faba fabe fabi faeb fafa fafe faff fafi faie faik fait fake faki fakt fapa fape fapp fata fate fatf fati fatt feaf feak feap feat feba feeb feek feet fefe feff fefi feia feie feit feke fepa feta fete feti fetp fett ffee ffff ffii fftf fiaa fiaf fiap fiat fiba fibe fibp fief fifa fife fiff fifi fift fiii fika fike fiki fipa fipp fita fite fiti fitt fkab fkbp fpaa ftea ftii ftpe i-be iaaa iaai iaap iaat iaba iaea iaep iafe iaff iafp iaia iapa iapf iapp iapt iata iate iati ibat ibea ibet ibfi ibia ibie ibtb ieat ieet ieie iepa ieta ietf iett ifaa ifae ifat ifbb ifit ifpa ifta iifa iiie iiii iiit iipa iipf iita iitt ikat ikea ikee ikki ipaf ipak ipat ipba ipbk ipea ipek ipet ipie ipkf ippa ippf ipta itaa itaf itai itak itap itat itbe itea itek itep itet itfa itia itie itif itpa itta ittf kaaa kaab