a-a a-c aaa aac aaf aak aam aar aas ac- aca acc acf ack acm acr acs af- afa afc aff afk afm afr afs aka akc akk akm akr aks ama amc amf amk amm amr ams ar- ara arc arf ark arm arr ars as- asa asc asf ask asm asr ass c-- caa cac caf cak cam car cas cca ccc ccf cck ccm ccr ccs cfa cfc cff cfk cfm cfr cfs cka ckc ckm cks cma cmc cmf cmk cmm cmr cms cra crc crf crk crm crr crs csa csc csf csk csm csr css faa fac faf fak fam far fas fca fcc fcf fck fcm fcr fcs ffa ffc fff ffk ffm ffr ffs fka fkc fkf fkk fkm fma fmc fmf fmm fmr fms fra frc frf frk frm frr frs fsa fsc fsf fsk fsm fsr fss ka- kaa kac kaf kak kam kar kas kca kcc kck kcm kcr kcs kfa kfc kff kfm kfs kkc kkk kkm kkr kks kma kmc kmf kmk kmm kms kra krc krf krk krr krs ksa ksc ksf ksk ksm ksr kss m-f m-r maa mac maf mak mam mar mas mc- mca mcc mcf mck mcm mcr mcs mfa mfc mff mfm mfr mfs mka mkc mkk mkm mkr mks mma mmc mmf mmk mmm mmr mms mra mrc mrf mrk mrm mrr mrs msa msc msf msk msm msr mss ra- raa rac raf rak ram rar ras rca rcc rcf rcm rcr rcs rfa rfc rff rfk rfm rfr rfs rkc rkf rkk rkm rks rma rmc rmf rmm rmr rms rra rrc rrf rrk rrm rrr rrs rsa rsc rsf rsk rsm rsr rss saa sac saf sak sam sar sas sca scc scf sck scm scr scs sfa sfc sff sfk sfm sfr sfs sk- ska skc skf skk skm skr sks sma smc smf smk smm smr sms sr- sra src srf srk srm srr srs ss- ssa ssc ssf ssk ssm ssr sss

a-ak aaaa aaac aaaf aaam aaar aaas aaca aacc aacf aack aacm aacr aacs aafa aafc aaff aaka aama aamc aamr aams aara aarc aarm aars aasa aasc aasf aasm aass acaa acac acar acas acca accc accf accm accs acfc acfm acfs acks acma acmc acmf acms acr- acra acrc acrm acrr acrs acsa acsc acsm acss afaa afak afam afar afca afcc afcs affa affc affs afka afkr afma afmc afr- afra afrc afrm afrs afsa afsc afsm akaa akam akar akas akca akka akr- akra aksa amaa amac amam amar amas amca amcc amcs amfm amfr amka amm- amma amra amrc amsa amsc amss arac araf arak aram arar aras arc- arca arcm arcs arfa arfc arff arfs arka arks arma armc armm arms arr- arra arrc arrk arrr arrs ars- arsa arsc arsk asaa asac asaf asak asam asar asas asc- asca ascc ascr asfa aska askr asks asma asmf asmm asmr asms asra asrc asrm asrs assa assc assk assr asss caaa caac caaf caam caas cac- caca cacc cack cacm cacr cafa cafc caff cafs caka cama camc camk camm cams cara carc carf cark carm carr cars casa casc cask casm casr cass ccaa ccac ccaf ccam ccar ccas ccca cccc cccf cccm cccs ccfa ccfc ccff cckm ccma ccmc ccmm ccms ccra ccrc ccrf ccrs ccsa ccsf ccss cfaa cfac cfam cfar cfca cfcf cfcm cfcs cffr cfma cfms cfra cfsa ckac ckck ckcm ckcs ckfr ckrc ckrm cksa cmaa cmac cmas cmcc cmcs cmmc cmms cmra cmrr cmrs cmsa cmsc cmsf crac craf cram crar cras crca crcc crcr crfc crfs crkc crms crsa crss csaa csac csak csar csas cscc cscf cscr cscs csfc csfr cska csks csma csmc csra csrc csrs cssa cssm cssr f--k faaa faac faam faas faca facc fack facs fafa fafc faff fama fams fara farc fark farm farr fars fasa fasc fasm fass fcar fcas fcca fccf fcmr fcra fcsc ffar ffcc ffff ffrr ffsa ffss fmca fmcs fmsr fmss frac frak fram fras frcc frfc frsc frsm fsas fscc fsck fsma fsra fssa fssc fssf kaaa kaaf kaak kaam kaar kaas kacc kacs kafa kafc kaff kafm kafr kafs kaka kakc kakk kakm kaks kam- kama kamc kamm kamr kams kara karf kark karm karr kars kas- kasa kasc kasf kask kasm kasr kass kcaa kcac kcam kcar kcas kcca kccc kcck kccr kcfa kcfc kcfm kckc kckf kckk kckm kckr kcmc kcmf kcmk kcmm kcmr kcms kcrc kcrr kcrs kcsa kcsc kcsf kcsm kcsr kcss kfac kfar kfcf kfcm kfcr kfcs kffa kfff kffk kffm kfka kfma kfmf kfmk kfmm kfmr kfra kfrc kfrm kfrr kfrs kfsa kfsk kfsm kfsr kkaa kkac kkam kkar kkck kkcm kkcr kkcs kkfm kkfr kkfs kkkk kkma kkmc kkmk kkmr kkms kkrc kkrf kkrk kkrr kkrs kksa kksf kksm kksr kkss kmac kmak kmam kmas kmca kmcc kmcf kmcm kmcr kmcs kmfa kmfc kmfm kmfr kmfs kmkf kmkk kmks kmmf kmmk kmmm kmmr kmms kmrc kmrf kmrr kmrs kmsa kmsc kmsr kmss krac krak kram krar kras krca krcc krcm krcs krfc krff krfm krfs krka krkc krkk krkr krks krma krmc krmr krms krrc krrf krrk krrm krrr krrs krsa krsc krsf krsk krsr krss ksac ksaf ksak ksam ksar ksas ksca ksck kscm kscr kscs ksfa ksfc ksfm ksfr kska kskf kskk kskr ksks ksma ksmc ksmf ksmm ksmr ksms ksra ksrf ksrm ksrr ksrs kssa kssm kssr ksss maaa maac maaf maak maam maar maas mac- maca macc mack macr macs mafa mafc maff mafk maka maks mama mamc mamf mams mar- mara marc marf mark marm marr mars masa masc mask masr mass mcaa mcac mcas mcca mccc mcfa mcfc mckk mcmc mcrc mcsa mcss mfas mfcc mffa mfrs mkak mkfc mkfm mkfs mkks mksm mmaa mmac mmar mmas mmcc mmcm mmcs mmff mmmc mmmm mmms mmrc mmrf mmsc mr-c mrac mras mrca mrcc mrcs mrfc mrkr mrmc mrrc mrsa mrsc msaa msar msas