a-a a-c aaa aac aad aah aak aao aap aar ac- aca acc acd ach ack aco acp acr ad- ada adc add adh adk ado adp adr aha ahc ahd ahh ahk aho ahp ahr aka akc akd akh akk ako akp akr aoa aoc aod aoh aok aoo aop aor ap- apa apc apd aph apk apo app apr ar- ara arc ard arh ark aro arp arr c-- caa cac cad cah cak cao cap car cca ccc ccd cch cck cco ccp ccr cda cdc cdd cdh cdk cdo cdp cdr ch- cha chc chd chh chk cho chp chr cka ckc ckd ckh cko co- coa coc cod coh cok coo cop cor cpa cpc cpd cph cpk cpo cpp cpr cra crc crd crh crk cro crp crr daa dac dad dah dak dao dap dar dca dcc dcd dck dco dcp dcr dda ddc ddd ddh ddk ddo ddp ddr dh- dha dhc dhd dhh dhk dho dhp dhr dka dkc dkk dko dkp dkr doa doc dod doh dok doo dop dor dpa dpc dpd dph dpk dpo dpp dpr dra drc drd drk dro drp drr haa hac had hah hak hao hap har hca hcc hcd hch hck hco hcp hcr hda hdc hdd hdh hdk hdo hdp hdr hha hhc hhd hhh hhk hho hhp hhr hka hkd hkh hkk hko hkp hkr hoa hoc hod hoh hok hoo hop hor hpa hpc hpd hph hpk hpo hpp hpr hr- hra hrc hrd hrh hrk hro hrp hrr ka- kaa kac kad kah kak kao kap kar kca kcc kcd kch kck kcp kcr kda kdc kdh kdk kdo kdp kdr kha khh khk kho khr kkc kkh kkk kkp kkr koa koc kod koh kok koo kop kor kpa kpc kpd kph kpk kpo kpp kpr kra krc krd krk kro krp krr oaa oac oad oah oak oao oap oar oc- oca occ ocd och ock oco ocp ocr oda odc odd odh odo odp odr oha ohc ohd ohh oho ohp ohr oka okc okd okk oko okp okr oo- ooa ooc ood ooh ook ooo oop oor op- opa opc opd oph opk opo opp opr or- ora orc ord orh ork oro orp orr p-p paa pac pad pah pak pao pap par pca pcc pcd pch pck pco pcp pcr pda pdc pdd pdh pdk pdo pdp pdr pha phc phd phk pho php phr pka pkc pkd pko pkp pkr poa poc pod poh pok poo pop por ppa ppc ppd pph ppk ppo ppp ppr pra prc prd prh prk pro prp prr ra- raa rac rad rah rak rao rap rar rca rcc rcd rch rco rcp rcr rda rdc rdd rdh rdo rdp rdr rh- rha rhc rhd rhh rho rhp rhr rkc rkk rko rkp roa roc rod roh rok roo rop ror rpa rpc rpd rph rpk rpo rpp rpr rra rrc rrd rrh rrk rrp rrr