-er a-a a-i aaa aae aaf aai aak aap aar aea aee aef aei aek aep aer af- afa afe aff afi afk afp afr ai- aia aie aif aii aik aip air aka ake aki akk akp akr ap- apa ape apf api apk app apr ar- ara are arf ari ark arp arr eaa eae eaf eai eak eap ear eea eee eef eek eep eer ef- efa efe eff efi efp efr eia eie eif eii eik eip eir eka eke ekf eki ekp ekr ep- epa epe epf epi epp epr era ere erf eri erk erp err faa fae faf fai fak fap far fea fee fef fei fek fep fer ffa ffe fff ffi ffk ffp ffr fia fie fif fii fik fip fir fka fkf fki fkk fkp fpa fpe fpi fpk fpp fpr fra fre frf fri frk frp frr i-f ia- iaa iae iaf iai iap iar ie- iea iee ief iei iek iep ier ifa ife iff ifi ifp ifr iia iie iif iii iip iir ika ike ikf iki ikk ikr ipa ipe ipf ipi ipp ipr ir- ira ire irf iri irk irp irr ka- kaa kae kaf kai kak kap kar ke- kea kee kef kei kek kep ker kfa kff kfi kia kie kif kii kik kip kir kke kki kkk kkp kkr kpa kpe kpf kpi kpk kpp kpr kra krf kri krk krp krr p-p paa pae paf pai pak pap par pea pee pef pei pek pep per pfa pfe pff pfi pfk pfp pfr pia pie pif pii pik pip pir pka pke pkf pki pkp pkr ppa ppe ppf ppi ppk ppp ppr pra pre prf pri prk prp prr ra- raa rae raf rai rak rap rar re- rea ree ref rei rek rep rer rfa rfe rff rfi rfk rfp rfr ria rie rif rii rik rip rir rke rkf rkk rkp rpa rpe rpf rpi rpk rpp rpr rra rrf rri rrk rrp rrr

a-ak a-ii aaaa aaae aaaf aaai aaap aaar aaea aaep aafa aaff aafi aaii aaka aake aapa aapi aara aare aari aarp aeaf aeap aeer aeka aer- aera aeri afaa afak afap afar afee afek afer affa affi afia afif afik afir afka afkr afpa afpe afr- afra afre afri aiai aiea aiee aiff aiia aiir aika aike aiki aipa aipe aipf aipi aira aire airi airp akaa akae akai akap akar akee aker akia akie akif akik akir akka akki akr- akra akre apai apak apap apar apea apep aper apfa api- apia apie apip apke appa appr apra apre apri arae araf arai arak arap arar area aree aref arei arek arep arfa arff aria arie arif arii arik arip arka arke arki arpa arpe arpi arr- arra arre arri arrk arrr eaaf eaif eapp eara eare earp eeea eeee eefa eefe eeka eeke eera effa effi efik efke efpa eiei eier eika eike eiki eipr eira eire eka- ekek eker ekka ekki ekpe epaa epee eper epfa epi- epia epie epik epip eppa eppp epra eprp eraf erap erei erer eria erie erik erke erki erpa erpe erra erre f--k faaa faap fafa fafe faff fafi faie faik fair fake faki fapa fape fapp fara fare fark farp farr feaf feak feap fear feek feer fefe feff fefi feia feie feir feke fepa fera fere ferk ferr ffar ffee ffff ffii ffrr fiaa fiaf fiap fiar fief fier fifa fife fiff fifi fiii fika fike fiki fipa fipp fira fire firk fpaa fpra fprf frae frak frap frea free frei frep fria frie frik frip iaaa iaai iaap iaea iaep iafe iaff iafp iaia iapa iapf iapp iara iare ieie iepa iera iere ieri ifaa ifae ifar ifer ifpa ifra ifrf ifri iifa iiie iiii iipa iipf iira ikar ikea ikee iker ikki ikra ikri ipaf ipak ipea ipek iper ipie ipkf ippa ippf ippr ipri irae iraf irai irak irap irar iree irer irfe iri- iria irie irip irka irki irpa irpe irra irre irri kaaa kaaf kaai kaak kaap kaar kaei kaep kaer kafa kafe kaff kafi kafp kafr kaia kaie kaif kaii kaik kaip kair kaka kake kaki kakk kap- kapa kape kapf kapi kapp kara kare karf kari kark karp karr kea- keak keap kear keef keek keep keer kefa keff kefr keif keii keik keir keka keke keki kep- kepa kepe kepi ker- kera kere kerf keri kerk kerp kerr kfai kfar kfer kffa kfff kffk kfia kfir kfka kfpr kfra kfre kfri kfrp kfrr kiai kiap kiar kief kier kifa kife kiff kifr kiia kiii kiik kiip kika kikf kiki kikk kikr kip- kipa kipe kipi kipp kipr kira kirf kiri kirk kirp kirr kkaa kkai kkap kkar kkea kkfi kkfr kkia kkik kkkk kkpk kkre kkrf kkrk kkrr kpae kpak kpar kpek kper kpfa kpfk kpfr kpia kpif kpir kpke kpkk kpkr kppk kppp kppr kpre kprf kpri kprk kprp kprr krae krai krak krap krar krea kree kref krei krek krfe krff krfp kria krik krka krke krki krkk krkr krpa krpi krpr krre krrf krri krrk krrr paak paap paar paea paep paer pafa pafe paff paia paie paik paip pair paka pake paki papa pape papi papp papr par- para pare parf pari park parp parr peai peak peap pear peek peep peer peff peia peip peir peka peke peki pekk pepa pepe pepi per- pera pere perf peri perk perp perr pfaa pfff pffr pfkp pfra piaf piai piea piep pier pifa piff piia piip pika pike piki pikk pipa pipe pipi pipp pira pire piri pirk pirr pkia ppap ppar pper ppfa ppie ppif pppa pppp pprf prae prai prar pre- pree pref prek prep pri- pria prie prif prii prri raaf raak raef raep raer rafa rafe raff rafi raia raie raif raii raik raip rair raka rake raki rakk rapa rape rapi rapp rara rare rarf rari rark rea- reae reaf reak reap rear reef reek reep