a-a a-c aaa aac aad aan aao aar aau ac- aca acc acd acn aco acr acu ad- ada adc add adn ado adr adu an- ana anc and ann ano anr anu aoa aoc aod aon aoo aor aou ar- ara arc ard arn aro arr aru au- aua auc aud aun auo aur c-- caa cac cad can cao car cau cca ccc ccd ccn cco ccr ccu cda cdc cdd cdn cdo cdr cdu cn- cna cnc cnd cnn cno cnr cnu co- coa coc cod con coo cor cou cra crc crd crn cro crr cru cua cuc cud cun cuo cur cuu daa dac dad dan dao dar dau dca dcc dcd dcn dco dcr dcu dda ddc ddd ddn ddo ddr ddu dna dnc dnd dnn dno dnr doa doc dod don doo dor dou dra drc drd drn dro drr dru dua duc dud dun duo dur naa nac nad nan nao nar nau nca ncc ncd ncn nco ncr ncu nda ndc ndd ndn ndo ndr ndu nna nnc nnn nno nnu no- noa noc nod non noo nor nou nra nrc nrd nrn nro nrr nru nua nuc nud nun nuo nur nuu oaa oac oad oan oao oar oau oc- oca occ ocd ocn oco ocr ocu oda odc odd odn odo odr odu on- ona onc ond onn ono onr onu oo- ooa ooc ood oon ooo oor or- ora orc ord orn oro orr oru ou- oua ouc oud oun ouo our ra- raa rac rad ran rao rar rau rca rcc rcd rcn rco rcr rcu rda rdc rdd rdn rdo rdr rdu rna rnc rnd rnn rno rnr rnu roa roc rod ron roo ror rou rra rrc rrd rrn rrr rru rua ruc rud run ruo rur ruu ua- uaa uac uad uan uao uar uau uca ucc ucd ucn uco ucr ucu uda udc udd udn udo udr udu un- una unc und unn uno unr unu uoa uoc uod uon uoo uor ur- ura urc urd urn uro urr uru uua uuc uun uur uuu