a-a a-c aaa aac aad aah aak aan aao aar ac- aca acc acd ach ack acn aco acr ad- ada adc add adh adk adn ado adr aha ahc ahd ahh ahk ahn aho ahr aka akc akd akh akk akn ako akr an- ana anc and anh ank ann ano anr aoa aoc aod aoh aok aon aoo aor ar- ara arc ard arh ark arn aro arr c-- caa cac cad cah cak can cao car cca ccc ccd cch cck ccn cco ccr cda cdc cdd cdh cdk cdn cdo cdr ch- cha chc chd chh chk chn cho chr cka ckc ckd ckh cko cn- cna cnc cnd cnh cnn cno cnr co- coa coc cod coh cok con coo cor cra crc crd crh crk crn cro crr daa dac dad dah dak dan dao dar dca dcc dcd dck dcn dco dcr dda ddc ddd ddh ddk ddn ddo ddr dh- dha dhc dhd dhh dhk dho dhr dka dkc dkk dko dkr dna dnc dnd dnh dnk dnn dno dnr doa doc dod doh dok don doo dor dra drc drd drk drn dro drr haa hac had hah hak han hao har hca hcc hcd hch hck hcn hco hcr hda hdc hdd hdh hdk hdn hdo hdr hha hhc hhd hhh hhk hhn hho hhr hka hkd hkh hkk hkn hko hkr hna hnc hnd hnh hnk hnn hno hoa hoc hod hoh hok hon hoo hor hr- hra hrc hrd hrh hrk hrn hro hrr ka- kaa kac kad kah kak kan kao kar kca kcc kcd kch kck kcn kcr kda kdc kdh kdk kdo kdr kha khh khk khn kho khr kkc kkh kkk kkn kkr kn- kna knc knd knk knn kno knr koa koc kod koh kok kon koo kor kra krc krd krk krn kro krr naa nac nad nah nak nan nao nar nca ncc ncd nch nck ncn nco ncr nda ndc ndd ndh ndk ndn ndo ndr nha nhc nhd nhh nhk nhn nhr nka nkc nkk nkn nko nkr nna nnc nnh nnk nnn nno no- noa noc nod noh nok non noo nor nra nrc nrd nrk nrn nro nrr oaa oac oad oah oak oan oao oar oc- oca occ ocd och ock ocn oco ocr oda odc odd odh odn odo odr oha ohc ohd ohh ohn oho ohr oka okc okd okk oko okr on- ona onc ond onh onk onn ono onr oo- ooa ooc ood ooh ook oon ooo oor or- ora orc ord orh ork orn oro orr ra- raa rac rad rah rak ran rao rar rca rcc rcd rch rcn rco rcr rda rdc rdd rdh rdn rdo rdr rh- rha rhc rhd rhh rhn rho rhr rkc rkk rko rna rnc rnd rnh rnn rno rnr roa roc rod roh rok ron roo ror rra rrc rrd rrh rrk rrn rrr