a-ak a-do a-ok aaaa aaac aaad aaap aaas aaca aacc aacd aack aaco aacp aacs aada aadc aads aaka aaoo aapa aapc aapo aaps aasa aasc aasd aass acaa acac acad acap acas acca accc accd acco accp accs acda acdc acdp acds ackd acks acoa acod acop acos acpa acpd acps acsa acsc acsd acss adaa adac adad adak adao adap adas adcc adcs adda addc addd addo adds adoc adod adok adoo ados adp- adps adsa adso adss akaa akao akap akas akca akka akko akok akos akpo aksa aoca aocs aokp aoks aopo aosd aosp aoss apac apak apao apap apas apca apcc apcd apco apcs apda apdd apds apo- apoc apod apoo apop apos appa appc appd apps apsa apso apss asaa asac asad asak asao asap asas asc- asca ascc asco ascp asda asdo asds aska asko asks asoc asod asok asop asos aspa aspc aspd aspo asps assa assc assd assk asso assp asss c-cd caaa caac caap caas cac- caca cacc cack caco cada cadc cadd cado cads caka caod caos capa capc capd capo capp caps casa casc casd cask caso casp cass ccaa ccac ccad ccap ccas ccca cccc cccp cccs ccdc ccdp ccds ccoc ccod ccpa ccpp ccps ccsa ccsd ccsp ccss cdaa cdac cdad cdcs cdda cdos cdps cdss ckac ckck ckco ckcs ckdo ckoa ckoc ckoo ckos ckpc cksa ckso coad coak coas coca cock coco cocp coda codd cods cok- coka coko cood cook coop coos copa copd copo copp cops cosa cosc coso cosp coss cpaa cpac cpad cpap cpas cpca cpcs cpos cppa cppd cpps cpsa cpsc cpsk cpso csaa csac csak csao csas cscc cscd csco cscs csda csdp cska csks csos cspa cspc cspd csps cssa cssd daad daap daas daca dacs dada dado dads daka dako daks daos dapa dapp daps dasa dasc dasd dask dass dcas dcca dccc dccp dccs dcds dcop dcos dcpo dcps dcsc dcss dddd ddoc ddpo ddps ddss dkdc doak doap doas doca dock doco docs dod- doda dodd dodo dods doka doko dood dook doop doos dopa dopo dopp dops dosa dosk doso doss dpaa dpac dpcp dpos dppa dppc dpsd dsac dsap dscc dscp dscs dsda dsdp dsoa dsos dsps dssa dssc dssp k-os kaaa kaak kaap kaas kacc kacd kaco kacp kacs kad- kada kadd kado kads kaka kakc kakk kako kaks kaoa kaoc kaok kaos kap- kapa kapc kapo kapp kaps kas- kasa kasc kask kaso kasp kass kcaa kcac kcad kcap kcas kcca kccc kccd kcck kcda kcdc kcdd kcds kckc kckk kcko kcos kcpa kcpc kcpo kcps kcsa kcsc kcsd kcsp kcss kdaa kdac kdad kdak kdao kdap kdca kdcc kdcd kdco kddc kddd kddk kdka kdkd kdkk kdko kdoc kdok kdps kdsc kdsd kdsk kdsp kdss kkaa kkac kkap kkcd kkck kkco kkcs kkda kkdc kkdd kkdo kkkk kkoa kkoo kkpc kkpk kkps kksa kksd kksp kkss koac koak koap koas koca kocd kock kocp kocs koda kodk kodo kods koka kokc kokk koko kokp koks kooc kook kooo koop koos kopa kopp kops kos- kosa kosc kosd koso kosp koss kpac kpad kpak kpao kpas kpcc kpcs kpda kpdc kpdo kpkk kpoa kpoc kpod kpok kpoo kpop kppc kppd kppk kppo kppp kpsc kpsd kpso kpsp ksac ksak ksas ksca ksck ksco kscs ksdc ksdk ksdp ksds kska kskd kskk ksko ksks ksoc ksok ksoo ksop ksos kspa kspc kspd kspk kspo ksps kssa ksso ksss oaks oaps oasc oass ocac ocad ocak ocap ocas occa occc ocds ocks ocos ocpa ocpd ocpp ocsa odac odas odda oddd odds odoo odop odos odso okak okap okas okka okko okok okpo oksa okso ooaa ooak ooda oooo ooos oops oosa opap opca opds opo- opos oppa oppo opps opsa osak osap osas osca oscc osco osoo osos ossa ossd osso paak paap paas paca pacd pack paco pacs pada padd pado pads paka pako paks paoc paos papa papp paps pasa pasc pasd pask paso pasp pass pcaa pcad pcap pcas pcca pccc pccs pcks pcoa pcod pcos pcpp pcps pcsa pcso pdac pdas pdca pdcp pdoc pdos pdpa pdsa pdsd pdss pkcs poad poak poas poca pocd pock poco pocs pod- poda podd podo pods poka poko pood pook poop poos pop- popa popc popo popp pops posa posk poso poss ppac ppad ppap ppcc ppcd ppcs ppdk ppds ppoa ppod ppos pppa pppd pppo pppp ppps ppss psac psap psas psca psco psdc psdp psds psoa psoc psos pspp psps pssa pssc psso s-os sa-c saac saad saak saap saas saca sacc sacd sack saco sacs sada sadc sadd sado sads saka sakk sako saks saos sapa sapo sapp saps sasa sasc sasd sask saso sass scaa scac scad scak scap scas sccc sccp sccs scda scdc scdp scds sck- scok scoo scop scpa scpo scps scsa scsc scsd scso sdak sdap sdcc sdco sddc sdds sdps sdsc sdss skac skad skap skop skpc skpo sksd skss soad soak soap soas soca sock soco socs soda sodd sodo sods soka sokk soko sood sook soop soos sopa sopd sopo sopp sops sosa soso soss sp-a spac spad spak spap spas spca spcc spco spcs spdc spdp spoc spod spok spoo spop spos sppd spps spsa spsd spso spsp spss ssaa ssac ssao ssap ssas ssca sscc sscp sscs ssdc ssdd ssdp ssoc ssop sspa sspc sspo ssps sssa sssc ssss