-er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aao aar aaw ab- aba abb abc abd abe abi abo abr abw ac- aca acb acc acd ace aci aco acr acw ad- ada adb adc add ade adi ado adr adw aea aeb aec aed aee aei aeo aer aew ai- aia aib aic aid aie aii aio air aiw aoa aob aoc aod aoe aoi aoo aor aow ar- ara arb arc ard are ari aro arr arw aw- awa awb awc awd awe awi awo awr aww baa bab bac bad bae bai bao bar baw bba bbb bbc bbd bbe bbi bbo bbr bbw bca bcb bcc bcd bce bci bco bcr bda bdb bdc bdd bde bdi bdo bdr bdw be- bea beb bec bed bee bei beo ber bew bi- bia bib bic bid bie bii bio bir biw boa bob boc bod boe boi boo bor bow bra brb brd bre bri bro brr brw bwa bwb bwc bwd bwi bwo bwr c-- caa cab cac cad cae cai cao car caw cba cbb cbc cbd cbe cbi cbo cbr cbw cca ccb ccc ccd cce cci cco ccr ccw cda cdb cdc cdd cde cdi cdo cdr cdw ce- cea ceb cec ced cee cei ceo cer cew ci- cia cib cic cid cie cii cio cir ciw co- coa cob coc cod coe coi coo cor cow cra crb crc crd cre cri cro crr crw cw- cwa cwb cwc cwd cwe cwi cwo cwr daa dab dac dad dae dai dao dar daw dba dbb dbc dbd dbe dbi dbo dbr dca dcb dcc dcd dce dci dco dcr dcw dda ddb ddc ddd dde ddi ddo ddr ddw de- dea deb dec ded dee dei deo der dew di- dia dib dic did die dii dio dir diw doa dob doc dod doe doi doo dor dow dra drb drc drd dre dri dro drr drw dwa dwb dwc dwe dwi dwo dwr dww eaa eab eac ead eae eai eao ear eaw eba ebb ebc ebd ebe ebi ebo ebr ebw ec- eca ecb ecc ecd ece eci eco ecr ecw ed- eda edb edc edd ede edi edo edr edw eea eeb eec eed eee eeo eer eew eia eib eic eid eie eii eio eir eo- eoa eob eoc eod eoe eoi eoo eor eow era erb erc erd ere eri ero err erw ewa ewb ewc ewd ewe ewi ewo ewr eww i-d ia- iaa iab iac iad iae iai iao iar iaw iba ibb ibc ibd ibe ibi ibo ibr ibw ica icb icc icd ice ici ico icr icw ida idb idc idd ide idi ido idr idw ie- iea iec ied iee iei ier iia iib iic iid iie iii iio iir iiw io- ioa iob ioc iod ioe ioi ioo ior iow ir- ira irb irc ird ire iri iro irr iwa iwb iwc iwd iwe iwi iwo iwr iww o-i oaa oab oac oad oae oai oao oar oaw ob- oba obb obc obd obe obi obo obr obw oc- oca ocb occ ocd oci oco ocr ocw oda odb odc odd ode odi odo odr oea oeb oec oed oee oei oeo oer oia oib oic oid oie oii oio oir oo- ooa oob ooc ood ooi ooo oor oow or- ora orb orc ord ore ori oro orr owa owb owc owd owe owi owo oww ra- raa rab rac rad rae rai rao rar raw rba rbb rbc rbd rbe rbi rbo rbr rbw rca rcb rcc rcd rce rci rco rcr rcw rda rdb rdc rdd rde rdi rdo rdr re- rea reb rec red ree rei reo rer rew ria rib ric rid rie rii rio rir roa rob roc rod roe roi roo ror row rra rrb rrc rrd rri rrr rwa rwb rwc rwd rwe rwi rwr waa wab wac wad wae wai wao war waw wba wbb wbc wbd wbe wbi wbo wbr wbw wca wcb wcc wcd wce wci wco wcr wcw wda wdb wdc wdi wdr wea web wec wed wee wei weo wer wew wia wib wic wid wie wii wir woa wob woc wod woe woi woo wor wow wr- wra wrc wrd wre wri wro wrr wrw wwa wwc wwd wwe wwi wwo www