a-a a-c aaa aac aaf aak aao aap aas ac- aca acc acf ack aco acp acs af- afa afc aff afk afo afp afs aka akc akk ako akp aks aoa aoc aof aok aoo aop aos ap- apa apc apf apk apo app aps as- asa asc asf ask aso asp ass c-- caa cac caf cak cao cap cas cca ccc ccf cck cco ccp ccs cfa cfc cff cfk cfo cfp cfs cka ckc cko cks co- coa coc cof cok coo cop cos cpa cpc cpf cpk cpo cpp cps csa csc csf csk cso csp css faa fac faf fak fao fap fas fca fcc fcf fck fco fcp fcs ffa ffc fff ffk ffo ffp ffs fka fkc fkf fkk fkp foa foc fof fok foo fop fos fpa fpc fpk fpo fpp fps fsa fsc fsf fsk fso fsp fss ka- kaa kac kaf kak kao kap kas kca kcc kck kcp kcs kfa kfc kff kfo kfs kkc kkk kkp kks koa koc kof kok koo kop kos kpa kpc kpf kpk kpo kpp kps ksa ksc ksf ksk kso ksp kss oaa oac oaf oak oao oap oas oc- oca occ ocf ock oco ocp ocs of- ofa ofc off ofo ofp ofs oka okc okk oko okp oks oo- ooa ooc oof ook ooo oop oos op- opa opc opf opk opo opp ops os- osa osc osf osk oso osp oss p-p paa pac paf pak pao pap pas pca pcc pcf pck pco pcp pcs pfa pfc pff pfk pfo pfp pfs pka pkc pkf pko pkp pks poa poc pof pok poo pop pos ppa ppc ppf ppk ppo ppp pps ps- psa psc psf psk pso psp pss saa sac saf sak sao sap sas sca scc scf sck sco scp scs sfa sfc sff sfk sfo sfp sfs sk- ska skc skf skk sko skp sks soa soc sof sok soo sop sos spa spc spf spk spo spp sps ss- ssa ssc ssf ssk sso ssp sss

a-ak a-ok aaaa aaac aaaf aaap aaas aaca aacc aacf aack aaco aacp aacs aafa aafc aaff aaka aaoo aapa aapc aapo aaps aasa aasc aasf aass acaa acac acap acas acca accc accf acco accp accs acfc acfs acks acoa acop acos acpa acps acsa acsc acss afaa afak afao afap afca afcc afcs affa affc affo affs afka afoa afoo afpa afpc afsa afsc afsp akaa akao akap akas akca akka akko akok akos akpo aksa aoca aocs aokp aoks aopo aosp aoss apac apak apao apap apas apca apcc apco apcs apfa apfc apfo apo- apoc apof apoo apop apos appa appc apps apsa apso apss asaa asac asaf asak asao asap asas asc- asca ascc asco ascp asfa aska asko asks asoc asof asok asop asos aspa aspc aspo asps assa assc assk asso assp asss caaa caac caaf caap caas cac- caca cacc cack caco cafa cafc caff cafs caka caos capa capc capo capp caps casa casc cask caso casp cass ccaa ccac ccaf ccap ccas ccca cccc cccf cccp cccs ccfa ccfc ccff ccoc ccpa ccpp ccps ccsa ccsf ccsp ccss cfaa cfac cfao cfca cfcf cfco cfcs cfoa cfos cfpa cfpo cfps cfsa ckac ckck ckco ckcs ckoa ckoc ckoo ckos ckpc cksa ckso coak coas coca cock coco cocp cofc coff cofs cok- coka coko coof cook coop coos copa copo copp cops cosa cosc coso cosp coss cpaa cpac cpaf cpap cpas cpca cpcs cpff cpos cppa cpps cpsa cpsc cpsk cpso csaa csac csak csao csas cscc cscf csco cscs csfc cska csks csos cspa cspc csps cssa f--k faaa faac faap faas faca facc fack facp facs fafa fafc faff fafo fako fapa fapp faps fasa fasc faso fass fcap fcas fcca fccf fccp fcpa fcps fcsc ffcc ffff ffps ffsa ffss foaf foak foca fock foco focs fofo foof fook foos fopp fops fosa foso foss fp-c fpaa fpas fpcc fsas fscc fsck fsfo fspc fspf fssa fssc fssf fssp k-os kaaa kaaf kaak kaap kaas kacc kaco kacp kacs kafa kafc kaff kafp kafs kaka kakc kakk kako kaks kaoa kaoc kaok kaos kap- kapa kapc kapf kapo kapp kaps kas- kasa kasc kasf kask kaso kasp kass kcaa kcac kcap kcas kcca kccc kcck kcfa kcfc kcfo kcfp kckc kckf kckk kcko kcof kcos kcpa kcpc kcpo kcps kcsa kcsc kcsf kcsp kcss kfac kfcf kfco kfcs kffa kfff kffk kfka kfok kfoo kfsa kfsk kfsp kkaa kkac kkap kkck kkco kkcs kkfs kkkk kkoa kkoo kkpc kkpk kkps kksa kksf kksp kkss koac koak koap koas koca kocf kock kocp kocs kofa kofc koff kofk kofo kofp koka kokc kokf kokk koko kokp koks kooc kook kooo koop koos kopa kopf kopp kops kos- kosa kosc kosf koso kosp koss kpac kpak kpao kpas kpcc kpcs kpfa kpfc kpfk kpkk kpoa kpoc kpof kpok kpoo kpop kppc kppk kppo kppp kpsc kpsf kpso kpsp ksac ksaf ksak ksas ksca ksck ksco kscs ksfa ksfc ksfo kska kskf kskk ksko ksks ksoc ksof ksok ksoo ksop ksos kspa kspc kspk kspo ksps kssa ksso ksss oafc oafo oafs oaks oaps oasc oass ocac ocak ocap ocas occa occc ocfa ocfp ocks ocos ocpa ocpp ocsa ofas off- offa offc offo offs okak okap okas okka okko okok okpo oksa okso ooaa ooak ooff oofs oooo ooos oops oosa opap opca opo- opos oppa oppo opps opsa osaf osak osap osas osca oscc osco osfa osoo osos ossa osso paak paap paas paca pack paco pacs pafa pafc paff paka pako paks paoc paos papa papp paps pasa pasc pask paso pasp pass pcaa pcaf pcap pcas pcca pccc pccs pcfc pcks pcoa pcos pcpp pcps pcsa pcso pfaa pfas pfcs pfff pfkp pfps pkcs poak poas poca pock poco pocs poff poka poko poof pook poop poos pop- popa popc popo popp pops posa posk poso poss ppac ppap ppcc ppcs