a-a a-c aaa aac aad aak aao aar aas aav ac- aca acc acd ack aco acr acs acv ad- ada adc add adk ado adr ads adv aka akc akd akk ako akr aks akv aoa aoc aod aok aoo aor aos aov ar- ara arc ard ark aro arr ars arv as- asa asc asd ask aso asr ass asv av- ava avc avd avk avo avr avs c-- caa cac cad cak cao car cas cav cca ccc ccd cck cco ccr ccs ccv cda cdc cdd cdk cdo cdr cds cdv cka ckc ckd cko cks co- coa coc cod cok coo cor cos cov cra crc crd crk cro crr crs crv csa csc csd csk cso csr css csv cva cvc cvd cvk cvo cvr cvs cvv daa dac dad dak dao dar das dav dca dcc dcd dck dco dcr dcs dcv dda ddc ddd ddk ddo ddr dds dka dkc dkk dko dkr dks doa doc dod dok doo dor dos dov dra drc drd drk dro drr drs drv dsa dsc dsd dsk dso dsr dss dsv dva dvc dvd dvk dvr dvs ka- kaa kac kad kak kao kar kas kav kca kcc kcd kck kcr kcs kda kdc kdk kdo kdr kds kkc kkk kkr kks kkv koa koc kod kok koo kor kos kra krc krd krk kro krr krs krv ksa ksc ksd ksk kso ksr kss ksv kva kvk kvo kvr kvs kvv oaa oac oad oak oao oar oas oav oc- oca occ ocd ock oco ocr ocs ocv oda odc odd odo odr ods odv oka okc okd okk oko okr oks oo- ooa ooc ood ook ooo oor oos oov or- ora orc ord ork oro orr ors orv os- osa osc osd osk oso osr oss osv ov- ova ovc ovd ovo ovs ovv ra- raa rac rad rak rao rar ras rav rca rcc rcd rco rcr rcs rcv rda rdc rdd rdo rdr rds rdv rkc rkk rko rks rkv roa roc rod rok roo ror ros rov rra rrc rrd rrk rrr rrs rsa rsc rsd rsk rso rsr rss rsv rva rvc rvd rvo rvr rvs rvv saa sac sad sak sao sar sas sav sca scc scd sck sco scr scs scv sda sdc sdd sdk sdo sdr sds sdv sk- ska skc skd skk sko skr sks soa soc sod sok soo sor sos sov sr- sra src srd srk sro srr srs srv ss- ssa ssc ssd ssk sso ssr sss ssv sva svc svd svk svo svr svs svv v-a vaa vac vad vak vao var vas vav vca vcc vcd vco vcr vcs vdc vdd vdk vdo vdr vds vdv vka voa voc vod vok voo vor vos vov vra vrc vrd vrk vrr vrs vsa vsc vsd vsk vso vsr vss vsv vva vvc vvo vvr vvs vvv

-vac a-ak a-do a-ok aaaa aaac aaad aaar aaas aaav aaca aacc aacd aack aaco aacr aacs aacv aada aadc aads aaka aaoo aara aarc aard aaro aars aasa aasc aasd aass aava acaa acac acad acar acas acca accc accd acco accs acda acdc acds ackd acks acoa acod acor acos acr- acra acrc acro acrr acrs acrv acsa acsc acsd acss acvs acvv adaa adac adad adak adao adar adas adcc adcs adda addc addd addo addr adds adoc adod adok adoo ador ados adra adro adrs adsa adso adsr adss advs akaa akao akar akas akca akka akko akok akos akr- akra aksa aoca aocs aoks aora aors aosd aoss arac arad arak arar aras arc- arca arco arcs arda ardc ardo ards arka arko arks aroa arod aroo aror aros arr- arra arrc arrk arro arrr arrs ars- arsa arsc arsd arsk arso arva arvo asaa asac asad asak asao asar asas asc- asca ascc asco ascr asda asdo asds aska asko askr asks asoc asod asok asor asos asra asrc asro asrs assa assc assd assk asso assr asss asva asvd asvs avao avar avas avcc avco avda avor avos avra avro avva avvo c-cd caaa caac caas cac- caca cacc cack caco cacr cada cadc cadd cado cadr cads caka caod caor caos cara carc card cark caro carr cars casa casc casd cask caso casr cass cava cavo cavs ccaa ccac ccad ccar ccas ccca cccc cccs cccv ccdc ccdr ccds ccoc ccod ccra ccrc ccrs ccsa ccsd ccss ccvo ccvs cd-r cdaa cdac cdad cdcs cdda cddr cdos cdrs cdss cdvd ckac ckck ckco ckcs ckcv ckdo ckoa ckoc ckoo ckor ckos ckrc ckrd cksa ckso ckvo coad coak coas coca cock coco coda codd cods cok- coka coko cood cook coos cor- cora corc cord cork coro corr cors cosa cosc coso coss cova covo crac crar cras crca crcc crcr crda crdc crkc croc crod crok croo cror crsa crss csaa csac csak csao csar csas csav cscc cscd csco cscr cscs csda csdr cska csks csor csos csra csrc csrd csrs cssa cssd cssr cvac cvar cvas cvca cvcc cvra cvrd cvrr cvsd cvss daad daar daas daca dacs dada dado dads daka dako daks daos dara darc dard dark daro darr dars dasa dasc dasd dask dass dava dcas dcca dccc dccs dccv dcds dcos dcra dcrk dcsc dcss dcvd dddd ddoc ddrc ddss dkdc doak doar doas doca dock doco docs dod- doda dodd dodo dods doka doko dood dook door doos dora dorc dord dork doro dorr dors dosa dosk doso doss draa drac drad drak drar dras drca drda drod drra drrs drsa dsac dscc dscr dscs dsda dsdr dsoa dsos dsrc dsrr dssa dssc dsvd dvar dvas dvcs dvda dvdr dvds dvoa dvor dvra dvrs dvsr k-os kaaa kaak kaar kaas kacc kacd kaco kacs kacv kad- kada kadd kado kadr kads kadv kaka kakc kakk kako kaks kaoa kaoc kaok kaor kaos kara kard kark karo karr kars karv kas- kasa kasc kask kaso kasr kass kava