-er a-a a-c aaa aac aad aae aah aao aar aau ac- aca acc acd ace ach aco acr acu ad- ada adc add ade adh ado adr adu aea aec aed aee aeh aeo aer aeu aha ahc ahd ahe ahh aho ahr ahu aoa aoc aod aoe aoh aoo aor aou ar- ara arc ard are arh aro arr aru au- aua auc aud aue auh auo aur c-- caa cac cad cae cah cao car cau cca ccc ccd cce cch cco ccr ccu cda cdc cdd cde cdh cdo cdr cdu ce- cea cec ced cee ceh ceo cer ceu ch- cha chc chd che chh cho chr chu co- coa coc cod coe coh coo cor cou cra crc crd cre crh cro crr cru cua cuc cud cue cuh cuo cur cuu daa dac dad dae dah dao dar dau dca dcc dcd dce dco dcr dcu dda ddc ddd dde ddh ddo ddr ddu de- dea dec ded dee deh deo der deu dh- dha dhc dhd dhe dhh dho dhr dhu doa doc dod doe doh doo dor dou dra drc drd dre dro drr dru dua duc dud due duh duo dur eaa eac ead eae eah eao ear eau ec- eca ecc ecd ece ech eco ecr ecu ed- eda edc edd ede edh edo edr edu eea eec eed eee eeo eer eha ehc ehd ehe ehh eho ehr ehu eo- eoa eoc eod eoe eoh eoo eor eou era erc erd ere erh ero err eru eu- eua euc eud eue eur haa hac had hae hah hao har hau hca hcc hcd hce hch hco hcr hda hdc hdd hde hdh hdo hdr hdu he- hea hec hed hee heh heo her heu hha hhc hhd hhe hhh hho hhr hhu hoa hoc hod hoe hoh hoo hor hou hr- hra hrc hrd hre hrh hro hrr hru hua huc hud hue huh huo hur huu oaa oac oad oae oah oao oar oau oc- oca occ ocd och oco ocr ocu oda odc odd ode odh odo odr odu oea oec oed oee oeh oeo oer oha ohc ohd ohe ohh oho ohr ohu oo- ooa ooc ood ooh ooo oor or- ora orc ord ore orh oro orr oru ou- oua ouc oud oue ouh ouo our ra- raa rac rad rae rah rao rar rau rca rcc rcd rce rch rco rcr rcu rda rdc rdd rde rdh rdo rdr rdu re- rea rec red ree reh reo rer reu rh- rha rhc rhd rhe rhh rho rhr rhu roa roc rod roe roh roo ror rou rra rrc rrd rrh rrr rru rua ruc rud rue ruh ruo rur ruu ua- uaa uac uad uae uah uao uar uau uca ucc ucd uce uch uco ucr ucu uda udc udd ude udo udr udu uea uec ued uee ueh uer uha uhc uhd uhe uhh uho uhr uhu uoa uoc uod uoe uoo uor ur- ura urc urd ure uro urr uru uua uuc uue uur uuu