a-a a-c aaa aac aad aaf aaj aak aam aao aar ac- aca acc acd acf acj ack acm aco acr ad- ada adc add adf adj adk adm ado adr af- afa afc afd aff afj afk afm afo afr aja ajc ajd ajf ajj ajk ajm ajo ajr aka akc akd akj akk akm ako akr ama amc amd amf amk amm amo amr aoa aoc aod aof aoj aok aom aoo aor ar- ara arc ard arf arj ark arm aro arr c-- c-j caa cac cad caf caj cak cam cao car cca ccc ccd ccf ccj cck ccm cco ccr cda cdc cdd cdf cdj cdk cdm cdo cdr cfa cfc cfd cff cfk cfm cfo cfr cja cjc cjd cjf cjk cjr cka ckc ckd ckm cko cma cmc cmd cmf cmj cmk cmm cmo cmr co- coa coc cod cof coj cok com coo cor cra crc crd crf crj crk crm cro crr daa dac dad daf daj dak dam dao dar dca dcc dcd dcf dck dcm dco dcr dda ddc ddd ddf ddk ddm ddo ddr dfa dfc dfd dff dfj dfk dfm dfo dfr dj- dja djc djd djf djk djm djo dka dkc dkk dkm dko dkr dma dmc dmd dmf dmk dmm dmo dmr doa doc dod dof doj dok dom doo dor dra drc drd drj drk drm dro drr faa fac fad faf faj fak fam fao far fca fcc fcd fcf fcj fck fcm fco fcr fda fdc fdd fdf fdj fdk fdm fdo fdr ffa ffc ffd fff ffk ffm ffo ffr fja fjc fjd fjm fka fkc fkf fkj fkk fkm fma fmc fmd fmf fmj fmm fmo fmr foa foc fof fok fom foo for fra frc frd frf frj frk frm fro frr j-d jaa jac jad jaf jaj jak jam jao jar jca jcc jcd jcf jck jcm jco jcr jda jdc jdf jdm jdo jdr jfa jfc jfd jff jfj jfk jfm jfo jfr jja jjc jjf jjj jjk jjr jka jkk jkm jko jkr jma jmc jmd jmf jmj jmm jmo jmr joa joc jod jof joj jok jom joo jor jra jrc jrf jrk jrm jro jrr ka- kaa kac kad kaf kaj kak kam kao kar kca kcc kcd kck kcm kcr kda kdc kdf kdk kdm kdo kdr kfa kfc kfd kff kfm kfo kjc kjr kkc kkk kkm kkr kma kmc kmd kmf kmj kmk kmm kmo koa koc kod kof kok kom koo kor kra krc krd krf krk kro krr m-f m-o m-r maa mac mad maf maj mak mam mao mar mc- mca mcc mcd mcf mck mcm mco mcr mda mdc mdd mdf mdj mdk mdm mdo mdr mfa mfc mfd mff mfj mfm mfo mfr mjc mjd mjj mjk mjm mjr mka mkc mkd mkk mkm mko mkr mma mmc mmd mmf mmj mmk mmm mmo mmr moa moc mod mof mok mom moo mor mra mrc mrd mrf mrj mrk mrm mro mrr oaa oac oad oaf oaj oak oam oao oar oc- oca occ ocd ocf ocj ock ocm oco ocr oda odc odd odf odm odo odr of- ofa ofc ofd off ofm ofo ofr oja ojc ojd ojm ojo oka okc okd okj okk oko okr om- oma omc omd omf omj omm omo omr oo- ooa ooc ood oof ook oom ooo oor or- ora orc ord orf ork orm oro orr ra- raa rac rad raf raj rak ram rao rar rca rcc rcd rcf rcj rcm rco rcr rda rdc rdd rdf rdj rdm rdo rdr rfa rfc rfd rff rfj rfk rfm rfo rfr rja rjc rjf rjk rjm rjr rkc rkf rkk rkm rko rma rmc rmd rmf rmm rmo rmr roa roc rod rof roj rok rom roo ror rra rrc rrd rrf rrk rrm rrr

a-ak a-do a-ok aaaa aaac aaad aaaf aaam aaar aaca aacc aacd aacf aack aacm aaco aacr aada aadc aafa aafc aafd aaff aaka aama aamc aamd aamo aamr aaoo aara aarc aard aarm aaro acaa acac acad acar acca accc accd accf accm acco acda acdc acdf acdm acfc acfd acfm ackd acma acmc acmf acoa acod acom acor acr- acra acrc acrm acro acrr adaa adac adad adak adam adao adar adcc adda addc addd addo addr adfa adfc adja adma admr adoc adod adok adoo ador adra adro afaa afad afak afam afao afar afca afcc afdc affa affc affo afka afkr afma afmc afoa afoo afor afr- afra afrc afrm afro ajac ajak ajam ajao ajar ajka ajkf ajoo akaa akam akao akar akca akka akko akok akom akr- akra amaa amac amad amaj amam amar amca amcc amco amda amdo amfj amfm amfr amka amm- amma ammo amoc amod amof amoj amok amoo amor amra amrc amro aoca aoma aora arac arad araf arak aram arar arc- arca arcm arco arda ardc ardf ardm ardo arfa arfc arff arja arjo arka arko arma armc armd armm armo aroa arod arom aroo aror arr- arra arrc arrk arro arrr c-cd caaa caac caaf caam cac- caca cacc cack cacm caco cacr cada cadc cadd cadm cado cadr cafa cafc caff caja caka cama camc camk camm camo caod caor cara carc card carf carj cark carm caro carr ccaa ccac ccad ccaf ccam ccar ccca cccc cccf cccm ccdc ccdf ccdm ccdr ccfa ccfc ccfd ccff ccjo cckm ccma ccmc ccmd ccmm ccoc ccod ccom ccra ccrc ccrf cd-r cdaa cdac cdad cdda cddr cdfa cdma cdmf cdom cfaa cfac cfam cfao cfar cfca cfcf cfcm cfco cfda cffr cfma cfmj cfmo cfoa cfom cfor cfra cjad cjar cjca cjcj cjdc cjfr cjmr cjor cjrc cjrj ckac ckck ckcm ckco ckdm ckdo ckfr ckjr ckmo ckoa ckoc ckom ckoo ckor ckrc ckrd ckrm cmaa cmac cmaj cmcc cmda cmdr cmmc cmoc cmra cmrr coad coak coca cock coco coda codd cofc coff cojo cok- coka coko com- coma