-er a-a a-b a-i aaa aab aad aae aag aai aao aar aaw ab- aba abb abd abe abg abi abo abr abw ad- ada adb add ade adg adi ado adr adw aea aeb aed aee aeg aei aeo aer aew ag- aga agb agd age agg agi ago agr agw ai- aia aib aid aie aig aii aio air aiw aoa aob aod aoe aog aoi aoo aor aow ar- ara arb ard are arg ari aro arr arw aw- awa awb awd awe awg awi awo awr aww baa bab bad bae bag bai bao bar baw bba bbb bbd bbe bbg bbi bbo bbr bbw bda bdb bdd bde bdg bdi bdo bdr bdw be- bea beb bed bee beg bei beo ber bew bga bgb bgd bge bgg bgi bgo bgr bgw bi- bia bib bid bie big bii bio bir biw boa bob bod boe bog boi boo bor bow bra brb brd bre brg bri bro brr brw bwa bwb bwd bwg bwi bwo bwr daa dab dad dae dag dai dao dar daw dba dbb dbd dbe dbg dbi dbo dbr dda ddb ddd dde ddg ddi ddo ddr ddw de- dea deb ded dee deg dei deo der dew dga dgd dge dgg dgi dgr dgw di- dia dib did die dig dii dio dir diw doa dob dod doe dog doi doo dor dow dra drb drd dre drg dri dro drr drw dwa dwb dwe dwg dwi dwo dwr dww eaa eab ead eae eag eai eao ear eaw eba ebb ebd ebe ebg ebi ebo ebr ebw ed- eda edb edd ede edg edi edo edr edw eea eeb eed eee eeg eeo eer eew ega egb egd ege egg egi ego egr egw eia eib eid eie eig eii eio eir eo- eoa eob eod eoe eog eoi eoo eor eow era erb erd ere erg eri ero err erw ewa ewb ewd ewe ewi ewo ewr eww g-d gaa gab gad gae gag gai gao gar gaw gba gbd gbe gbg gbi gbo gbr gbw gda gdb gdd gde gdi gdo gdr gdw ge- gea geb ged gee geg gei geo ger gew gga ggb ggd ggg ggi ggo ggr ggw gia gib gid gie gig gii gio gir goa gob god goe gog goi goo gor gow gra grb grd gre grg gri gro grr grw gwa gwb gwd gwe gwg gwi gwr i-d ia- iaa iab iad iae iag iai iao iar iaw iba ibb ibd ibe ibg ibi ibo ibr ibw ida idb idd ide idg idi ido idr idw ie- iea ied iee ieg iei ier iga igb igd ige igg igi igo igr igw iia iib iid iie iii iio iir iiw io- ioa iob iod ioe iog ioi ioo ior iow ir- ira irb ird ire irg iri iro irr iwa iwb iwd iwe iwg iwi iwo iwr iww o-i oaa oab oad oae oag oai oao oar oaw ob- oba obb obd obe obg obi obo obr obw oda odb odd ode odg odi odo odr oea oeb oed oee oeg oei oeo oer oga ogd oge ogg ogi ogo oia oib oid oie oii oio oir oo- ooa oob ood oog ooi ooo oor oow or- ora orb ord ore org ori oro orr owa owb owd owe owi owo oww ra- raa rab rad rae rag rai rao rar raw rba rbb rbd rbe rbg rbi rbo rbr rbw rda rdb rdd rde rdg rdi rdo rdr re- rea reb red ree reg rei reo rer rew rga rgb rgd rge rgg rgi rgo rgr rgw ria rib rid rie rig rii rio rir roa rob rod roe rog roi roo ror row rra rrb rrd rrg rri rrr rwa rwb rwd rwe rwi rwr waa wab wad wae wag wai wao war waw wba wbb wbd wbe wbg wbi wbo wbr wbw wda wdb wdg wdi wdr wea web wed wee weg wei weo wer wew wga wgb wgi wgo wgr wgw wia wib wid wie wig wii wir woa wob wod woe wog woi woo wor wow wr- wra wrd wre wrg wri wro wrr wrw wwa wwd wwe wwi wwo www