a-a a-c aaa aac aad aah aan aao aar ac- aca acc acd ach acn aco acr ad- ada adc add adh adn ado adr aha ahc ahd ahh ahn aho ahr an- ana anc and anh ann ano anr aoa aoc aod aoh aon aoo aor ar- ara arc ard arh arn aro arr c-- caa cac cad cah can cao car cca ccc ccd cch ccn cco ccr cda cdc cdd cdh cdn cdo cdr ch- cha chc chd chh chn cho chr cn- cna cnc cnd cnh cnn cno cnr co- coa coc cod coh con coo cor cra crc crd crh crn cro crr daa dac dad dah dan dao dar dca dcc dcd dcn dco dcr dda ddc ddd ddh ddn ddo ddr dh- dha dhc dhd dhh dho dhr dna dnc dnd dnh dnn dno dnr doa doc dod doh don doo dor dra drc drd drn dro drr haa hac had hah han hao har hca hcc hcd hch hcn hco hcr hda hdc hdd hdh hdn hdo hdr hha hhc hhd hhh hhn hho hhr hna hnc hnd hnh hnn hno hoa hoc hod hoh hon hoo hor hr- hra hrc hrd hrh hrn hro hrr naa nac nad nah nan nao nar nca ncc ncd nch ncn nco ncr nda ndc ndd ndh ndn ndo ndr nha nhc nhd nhh nhn nhr nna nnc nnh nnn nno no- noa noc nod noh non noo nor nra nrc nrd nrn nro nrr oaa oac oad oah oan oao oar oc- oca occ ocd och ocn oco ocr oda odc odd odh odn odo odr oha ohc ohd ohh ohn oho ohr on- ona onc ond onh onn ono onr oo- ooa ooc ood ooh oon ooo oor or- ora orc ord orh orn oro orr ra- raa rac rad rah 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 rna rnc rnd rnh rnn rno rnr roa roc rod roh ron roo ror rra rrc rrd rrh rrn rrr