-er a-a a-b a-i a-t aaa aab aae aaf aai aap aar aat ab- aba abb abe abf abi abp abr abt aea aeb aee aef aei aep aer aet af- afa afb afe aff afi afp afr aft ai- aia aib aie aif aii aip air ait ap- apa apb ape apf api app apr apt ar- ara arb are arf ari arp arr art at- ata atb ate atf ati atp atr att b-p baa bab bae baf bai bap bar bat bba bbb bbe bbf bbi bbp bbr bbt be- bea beb bee bef bei bep ber bet bfa bfb bfe bff bfi bfp bfr bft bi- bia bib bie bif bii bip bir bit bpa bpb bpe bpf bpi bpp bpr bpt bra brb bre brf bri brp brr brt bta btb bte btf bti btp btr btt eaa eab eae eaf eai eap ear eat eba ebb ebe ebf ebi ebp ebr ebt eea eeb eee eef eep eer eet ef- efa efb efe eff efi efp efr eft eia eib eie eif eii eip eir eit ep- epa epb epe epf epi epp epr ept era erb ere erf eri erp err ert eta etb ete etf eti etp etr ett faa fab fae faf fai fap far fat fba fbb fbe fbf fbi fbp fbr fbt fea feb fee fef fei fep fer fet ffa ffe fff ffi ffp ffr fft fia fib fie fif fii fip fir fit fpa fpb fpe fpi fpp fpr fpt fra frb fre frf fri frp frr frt fta ftb fte ftf fti ftp ftr ftt i-f ia- iaa iab iae iaf iai iap iar iat iba ibb ibe ibf ibi ibp ibr ibt ie- iea iee ief iei iep ier iet ifa ifb ife iff ifi ifp ifr ift iia iib iie iif iii iip iir iit ipa ipb ipe ipf ipi ipp ipr ipt ir- ira irb ire irf iri irp irr irt ita itb ite itf iti itp itt p-p paa pab pae paf pai pap par pat pba pbb pbe pbf pbi pbp pbr pbt pea peb pee pef pei pep per pet pfa pfb pfe pff pfi pfp pfr pft pia pib pie pif pii pip pir pit ppa ppb ppe ppf ppi ppp ppr ppt pra prb pre prf pri prp prr prt pt- pta ptb pte ptf pti ptp ptr ptt ra- raa rab rae raf rai rap rar rat rba rbb rbe rbf rbi rbp rbr rbt re- rea reb ree ref rei rep rer ret rfa rfb rfe rff rfi rfp rfr rft ria rib rie rif rii rip rir rit rpa rpb rpe rpf rpi rpp rpr rpt rra rrb rrf rri rrp rrr rrt rta rtb rte rtf rti rtp rtr rtt taa tab tae taf tai tap tar tat tba tbb tbe tbf tbi tbp tbr tbt te- tea teb tee tef tei tep ter tet tfa tfb tfe tff tfi tfp tfr tft tia tib tie tif tii tip tir tit tpa tpb tpe tpf tpi tpp tpr tpt tra trb tre trf tri trp trr trt tta ttb tte ttf tti ttp ttr ttt

a-be a-ii aaaa aaab aaae aaaf aaai aaap aaar aaba aabb aabi aabp aabt aaea aaep aafa aafb aaff aafi aaib aaii aapa aapi aapt aara aare aari aarp aart aata aatf aatt abaa abab abae abaf abai abap abar abat abb- abba abbb abbe abbi abbr abbt abee aber abet abff abia abib abie abir abit abpa abpi abpp abpr abra abri abta aeaf aeap aebi aeer aeit aer- aera aeri aeta aetf aetr aett afaa afap afar afat afee afer afet affa affi afft afia afib afif afir afit afpa afpe afr- afra afre afri afta afte aftp aiai aiba aiea aiee aiet aiff aiia aiib aiir aipa aipe aipf aipi aira aire airi airp airt aita aite aitf aiti aitr aitt apai apap apar apat apba apbr apea apep aper apet apfa apft api- apia apie apip apit appa appr appt apra apre apri aprt apta apte apti aptt arab arae araf arai arap arar arat arba arbe arbi area aree aref arei arep aret arfa arfb arff arft aria arib arie arif arii arip arit arpa arpe arpi arr- arra arre arri arrr arrt arta arte arti artr at-t ataa atab atae atai atap atar atat atea atee atef atei atep ater atfb atfe atia atie atif atip atit atpr atra atre atri atrp atta atte atti attp attr ba-i baaa baaf baar baat baba babb babe babi babr baer baff baft baia baib baie bair bait bapa bape bapi bapp bapt bar- bara barb bare barf bari barr bart bata bate batf bati batt bbbb bbeb bbet bbpr beaf beap bear beat beba bebb bebe bebi beeb beef beep beer beet befa befe beff beft beia beir beit bera bere beri berr bert beta bete beti bett bfpp bfta bftt biaf biap biar biat biba bibb bibe bibi bieb bief bier biet bifa biff bifi bipa bipp bira birb bire biri birr birt bita bite bitt bpai bpea bptf bpti brab brae braf brai brat brea breb bree bref brei brep brer bret bria brie brit brrr btaa btaf btbp btie btrt bttb eaaf eaba eafb eaif eapp eara earb eare earp eart eata eate eati ebba ebbr eber ebit eeea eeee eefa eefe eera eeta eete efab efbr efet effa effi efit efpa eft- efta eftp eiei eier eipr eira eire eita eitb eiti eitr epaa epee eper epfa epi- epia epie epip epit eppa eppp epra eprb eprp epta epte eraf erap erat erba erbb erbe ereb erei erer eret erft eria erie erit erpa erpe erra erre erta etai etap etat etbr etee eter etfa etfb etfe etra etre etta ette etti faaa faap faba fabe fabi faeb fafa fafe faff fafi faie fair fait fapa fape fapp fara farb fare farp farr fart fata fate fatf fati fatt fbar feaf