-er a-a a-c aaa aac aad aae aao aar aaw ac- aca acc acd ace aco acr acw ad- ada adc add ade ado adr adw aea aec aed aee aeo aer aew aoa aoc aod aoe aoo aor aow ar- ara arc ard are aro arr arw aw- awa awc awd awe awo awr aww c-- caa cac cad cae cao car caw cca ccc ccd cce cco ccr ccw cda cdc cdd cde cdo cdr cdw ce- cea cec ced cee ceo cer cew co- coa coc cod coe coo cor cow cra crc crd cre cro crr crw cw- cwa cwc cwd cwe cwo cwr daa dac dad dae dao dar daw dca dcc dcd dce dco dcr dcw dda ddc ddd dde ddo ddr ddw de- dea dec ded dee deo der dew doa doc dod doe doo dor dow dra drc drd dre dro drr drw dwa dwc dwe dwo dwr dww eaa eac ead eae eao ear eaw ec- eca ecc ecd ece eco ecr ecw ed- eda edc edd ede edo edr edw eea eec eed eee eeo eer eew eo- eoa eoc eod eoe eoo eor eow era erc erd ere ero err erw ewa ewc ewd ewe ewo ewr eww oaa oac oad oae oao oar oaw oc- oca occ ocd oco ocr ocw oda odc odd ode odo odr oea oec oed oee oeo oer oo- ooa ooc ood ooo oor oow or- ora orc ord ore oro orr owa owc owd owe owo oww ra- raa rac rad rae rao rar raw rca rcc rcd rce rco rcr rcw rda rdc rdd rde rdo rdr re- rea rec red ree reo rer rew roa roc rod roe roo ror row rra rrc rrd rrr rwa rwc rwd rwe rwr waa wac wad wae wao war waw wca wcc wcd wce wco wcr wcw wda wdc wdr wea wec wed wee weo wer wew woa woc wod woe woo wor wow wr- wra wrc wrd wre wro wrr wrw wwa wwc wwd wwe wwo www