a-a aaa aaf aak aao aap aar aas af- afa aff afk afo afp afr afs aka akk ako akp akr aks aoa aof aok aoo aop aor aos ap- apa apf apk apo app apr aps ar- ara arf ark aro arp arr ars as- asa asf ask aso asp asr ass faa faf fak fao fap far fas ffa fff ffk ffo ffp ffr ffs fka fkf fkk fkp foa fof fok foo fop for fos fpa fpk fpo fpp fpr fps fra frf frk fro frp frr frs fsa fsf fsk fso fsp fsr fss ka- kaa kaf kak kao kap kar kas kfa kff kfo kfs kkk kkp kkr kks koa kof kok koo kop kor kos kpa kpf kpk kpo kpp kpr kps kra krf krk kro krp krr krs ksa ksf ksk kso ksp ksr kss oaa oaf oak oao oap oar oas of- ofa off ofo ofp ofr ofs oka okk oko okp okr oks oo- ooa oof ook ooo oop oor oos op- opa opf opk opo opp opr ops or- ora orf ork oro orp orr ors os- osa osf osk oso osp osr oss p-p paa paf pak pao pap par pas pfa pff pfk pfo pfp pfr pfs pka pkf pko pkp pkr pks poa pof pok poo pop por pos ppa ppf ppk ppo ppp ppr pps pra prf prk pro prp prr prs ps- psa psf psk pso psp psr pss ra- raa raf rak rao rap rar ras rfa rff rfk rfo rfp rfr rfs rkf rkk rko rkp rks roa rof rok roo rop ror ros rpa rpf rpk rpo rpp rpr rps rra rrf rrk rrp rrr rrs rsa rsf rsk rso rsp rsr rss saa saf sak sao sap sar sas sfa sff sfk sfo sfp sfr sfs sk- ska skf skk sko skp skr sks soa sof sok soo sop sor sos spa spf spk spo spp spr sps sr- sra srf srk sro srp srr srs ss- ssa ssf ssk sso ssp ssr sss

a-ak a-ok aaaa aaaf aaap aaar aaas aafa aaff aaka aaoo aapa aapo aaps aara aaro aarp aars aasa aasf aass afaa afak afao afap afar affa affo affs afka afkr afoa afoo afor afpa afr- afra afro afrs afsa afsp akaa akao akap akar akas akka akko akok akos akpo akr- akra aksa aokp aoks aopo aora aors aosp aoss apak apao apap apar apas apfa apfo apo- apof apoo apop apor apos appa appr apps apra apro aprs apsa apso apss araf arak arap arar aras arfa arff arfs arka arko arks aroa aroo aror aros arpa arps arr- arra arrk arro arrr arrs ars- arsa arsk arso asaa asaf asak asao asap asar asas asfa aska asko askr asks asof asok asop asor asos aspa aspo aspr asps asra asro asrs assa assk asso assp assr asss f--k faaa faap faas fafa faff fafo fako fapa fapp faps fara fark faro farp farr fars fasa faso fass ffar ffff ffps ffrr ffsa ffss foaf foak foar fofo foof fook foos fopp fops for- fora fork foro forr fors fosa foso foss fpaa fpas fpra fprf frak frap fras frop fros frps frso fsas fsfo fspf fsra fssa fssf fssp k-os kaaa kaaf kaak kaap kaar kaas kafa kaff kafp kafr kafs kaka kakk kako kaks kaoa kaok kaor kaos kap- kapa kapf kapo kapp kaps kara karf kark karo karp karr kars kas- kasa kasf kask kaso kasp kasr kass kfar kffa kfff kffk kfka kfok kfoo kfor kfpr kfra kfro kfrp kfrr kfrs kfsa kfsk kfsp kfsr kkaa kkap kkar kkfr kkfs kkkk kkoa kkoo kkor kkpk kkps kkrf kkrk kkro kkrr kkrs kksa kksf kksp kksr kkss koak koap koar koas kofa koff kofk kofo kofp koka kokf kokk koko kokp kokr koks kook kooo koop koor koos kopa kopf kopp kopr kops kora korf kork koro korr kors kos- kosa kosf koso kosp kosr koss kpak kpao kpar kpas kpfa kpfk kpfr kpkk kpkr kpoa kpof kpok kpoo kpop kppk kppo kppp kppr kprf kprk kpro kprp kprr kprs kpsf kpso kpsp krak krap krar kras krff krfo krfp krfs krka krkk krko krkr krks kroa krof krok kroo krop kror kros krpa krpr krps krrf krrk krro krrr krrs krsa krsf krsk krsr krss ksaf ksak ksar ksas ksfa ksfo ksfr kska kskf kskk ksko kskr ksks ksof ksok ksoo ksop ksor ksos kspa kspk kspo kspr ksps ksra ksrf ksro ksrp ksrr ksrs kssa ksso kssr ksss oafo oafs oaks oaps oara oars oass ofas off- offa offo offr offs ofor ofra okak okap okas okka okko okok okor okpo okra okro oksa okso ooaa ooak ooff oofs oooo ooos oops oora oosa opap opar opo- opor opos oppa oppo opps opra opsa orak orao orar oras orff orfs orka orko oro- orof orok oror oros orps orra orro orrs orsa orsk orso osaf osak osap osar osas osfa osoo osor osos osro ossa osso paak paap paar paas pafa paff paka pako paks paos papa papp papr paps par- para parf park paro parp parr pars pasa pask paso pasp pass pfaa pfas pfff pffr pfkp pfps pfra poak poar poas poff poka poko poof pook poop poor poos pop- popa popo popp pops pora pork poro porr pors posa posk poso poss ppap ppar ppfa ppoa ppos pppa pppo pppp ppps pprf ppsf ppss prao prar pras prfs pro- proa prof proo prop pros prps prrs prsa prso prss psap psas psfk psfs psoa psos pspp pspr psps psrk psrp pssa psso raaf raak raas rafa raff raka rakk raok raop raos rapa rapp raps rara rarf rark raro rars rasa rask raso rasp rass rkkf rkos rkss roaf roak roap roar roas roff rofo roka rokk roko rokr roks roof rook roop roor roos ropa ropo rops rora rork roro rosa roso rosp ross rpof rpos rpps rras rrrr rrsp rsaa rsaf rsos rspk rspo rsps