-er a-a a-c aaa aac aad aae aah aaj aao aar ac- aca acc acd ace ach acj aco acr ad- ada adc add ade adh adj ado adr aea aec aed aee aeh aej aeo aer aha ahc ahd ahe ahh ahj aho ahr aja ajc ajd aje ajh ajj ajo ajr aoa aoc aod aoe aoh aoj aoo aor ar- ara arc ard are arh arj aro arr c-- c-j caa cac cad cae cah caj cao car cca ccc ccd cce cch ccj cco ccr cda cdc cdd cde cdh cdj cdo cdr ce- cea cec ced cee ceh cej ceo cer ch- cha chc chd che chh cho chr cja cjc cjd cjr co- coa coc cod coe coh coj coo cor cra crc crd cre crh crj cro crr daa dac dad dae dah daj dao dar dca dcc dcd dce dco dcr dda ddc ddd dde ddh ddo ddr de- dea dec ded dee deh dej deo der dh- dha dhc dhd dhe dhh dho dhr dj- dja djc djd dje djo doa doc dod doe doh doj doo dor dra drc drd dre drj dro drr eaa eac ead eae eah eaj eao ear ec- eca ecc ecd ece ech ecj eco ecr ed- eda edc edd ede edh edj edo edr eea eec eed eee eeo eer eha ehc ehd ehe ehh eho ehr eja ejc ejd ejo eo- eoa eoc eod eoe eoh eoo eor era erc erd ere erh ero err haa hac had hae hah haj hao har hca hcc hcd hce hch hcj hco hcr hda hdc hdd hde hdh hdo hdr he- hea hec hed hee heh hej heo her hha hhc hhd hhe hhh hhj hho hhr hja hjo hjr hoa hoc hod hoe hoh hoo hor hr- hra hrc hrd hre hrh hrj hro hrr j-d jaa jac jad jae jah jaj jao jar jca jcc jcd jce jch jco jcr jda jdc jde jdh jdo jdr jea jec jed jee jeh jej jeo jer jha jhc jhd jhe jhj jho jhr jja jjc jjj jjr joa joc jod joe joh joj joo jor jra jrc jro jrr oaa oac oad oae oah oaj oao oar oc- oca occ ocd och ocj oco ocr oda odc odd ode odh odo odr oea oec oed oee oeh oeo oer oha ohc ohd ohe ohh oho ohr oja ojc ojd oje ojo oo- ooa ooc ood ooh ooo oor or- ora orc ord ore orh oro orr ra- raa rac rad rae rah raj rao rar rca rcc rcd rce rch rcj rco rcr rda rdc rdd rde rdh rdj rdo rdr re- rea rec red ree reh reo rer rh- rha rhc rhd rhe rhh rho rhr rja rjc rjr roa roc rod roe roh roj roo ror rra rrc rrd rrh rrr