f--k ffff ffii ffrr ffss fiff fifi fiii fiil fiki fiky fili filk fill fils firk firs firy fisi fisk fiss flii flik flis flyi flys frik fril fris frys fsfi fssf fyfi fyli fyrk fyrs fyry iffy ifil ifis ifrf ifri iiii iiis iirs iisi iisr ikki ikky ikri ikyl ilir ilis ilki ilks ill- illi ills illy iri- iril iris iriy irki irks irri irrs irsf isil isis iskf isls isly isri issf issi issr isss issy isyl isys kfff kffk kfil kfir kfis kflf kfli kfll kfls kfly kfri kfrr kfrs kfry kfsi kfsk kfsr kfyi kfyr kiff kifl kifr kifs kiii kiik kiis kikf kiki kikk kikr kili kilk kill kilr kirf kiri kirk kirr kirs kisf kisi kisk kisl kisr kiss kisy kiyi kiyk kiys kkfi kkfr kkfs kkik kkkk kklf kkli kkll kkls kkrf kkrk kkrl kkrr kkrs kksf kksi kksr kkss kkys kkyy klff klfi klif klik klil klir klis klkk klkl klkr klks klky kllk klls klly klrf klrk klrr klrs klsf klsi klsr klsy klyk klyr klyy krff krfs krik kril kris krki krkk krkr krks krky krlf krrf krri krrk krrl krrr krrs krry krsf krsk krsl krsr krss krsy kryk kryl kryy ksfi ksfr ksif ksii ksik ksil ksir ksis ksiy kskf kskk kskr ksks ksky ksli kslk ksll kslr ksrf ksrr ksrs ksry kssi kssl kssr ksss ksyf ksyl ksyr ksyy kyfi kyfr kyfs kyis kykk kykr kyks kyky kyli kyll kyls kyrf kyrk kyrs kysf kysk kysl kysr kyyi kyyk kyys kyyy liff lifl liii liir liis lili lill lils lily liri lirk lirl lirr lirs liry lisi lisk liss lisy liyl lkfs lkrs llks llll llyr lrif lrrr lrry ls-r lssr lyff lyfy lyif lyik lyly lys- lysi lysl lyss lyyf rffl riff rifs riif riis riki rikk rill rily riri rirs risi risk riss riyf rkkf rkss rlif rlls rlys rrif rrrr rsis rssl ryff ryif ryis ryki rysy ryyf s-ii sfls sfss siff sifl sifr sify siik siki sikr siks sil- silf sili silk sill sils sirf siri sirk sirr sirs sisi sisk siss sisy siyi skif skik skil skir skis skss sky- skyf skyr skys skyy sl-i slik slir slrs slys srfi sris ssfl ssis ssri ssrl ssrs sssf sssi ssss syff syfy syik syis syl- syli sylk syll syls syrs syry syss syyk yiff yili yill yirk yirr yisk yiss ylli ylls ylyk yrly ysii yyff yyyy