-er a-a a-b aaa aab aad aae aah aak aao aar aaw ab- aba abb abd abe abh abk abo abr abw ad- ada adb add ade adh adk ado adr adw aea aeb aed aee aeh aek aeo aer aew aha ahb ahd ahe ahh ahk aho ahr ahw aka akb akd ake akh akk ako akr akw aoa aob aod aoe aoh aok aoo aor aow ar- ara arb ard are arh ark aro arr arw aw- awa awb awd awe awh awk awo awr aww baa bab bad bae bah bak bao bar baw bba bbb bbd bbe bbh bbk bbo bbr bbw bda bdb bdd bde bdh bdk bdo bdr bdw be- bea beb bed bee beh bek beo ber bew bha bhb bhd bhe bhh bhk bho bhr bhw bka bkb bke bkk bko bkr bkw boa bob bod boe boh bok boo bor bow bra brb brd bre brh brk bro brr brw bwa bwb bwd bwh bwk bwo bwr daa dab dad dae dah dak dao dar daw dba dbb dbd dbe dbh dbk dbo dbr dda ddb ddd dde ddh ddk ddo ddr ddw de- dea deb ded dee deh dek deo der dew dh- dha dhb dhd dhe dhh dhk dho dhr dhw dka dkb dke dkk dko dkr dkw doa dob dod doe doh dok doo dor dow dra drb drd dre drk dro drr drw dwa dwb dwe dwh dwo dwr dww eaa eab ead eae eah eak eao ear eaw eba ebb ebd ebe ebh ebk ebo ebr ebw ed- eda edb edd ede edh edk edo edr edw eea eeb eed eee eek eeo eer eew eha ehb ehd ehe ehh eho ehr eka ekb ekd eke ekh eko ekr eo- eoa eob eod eoe eoh eok eoo eor eow era erb erd ere erh erk ero err erw ewa ewb ewd ewe ewk ewo ewr eww haa hab had hae hah hak hao har haw hba hbb hbd hbe hbh hbk hbo hbr hbw hda hdb hdd hde hdh hdk hdo hdr hdw he- hea heb hed hee heh hek heo her hew hha hhb hhd hhe hhh hhk hho hhr hhw hka hkb hkd hkh hkk hko hkr hkw hoa hob hod hoe hoh hok hoo hor how hr- hra hrb hrd hre hrh hrk hro hrr hrw hw- hwa hwb hwd hwe hwk hwo hwr hww ka- kaa kab kad kae kah kak kao kar kaw kba kbb kbd kbe kbh kbk kbo kbr kbw kda kdb kde kdh kdk kdo kdr ke- kea keb ked kee keh kek keo ker kew kha khe khh khk kho khr kkb kke kkh kkk kkr koa kob kod koe koh kok koo kor kow kra krd krk kro krr krw kw- kwa kwd kwh kwk kwo kww oaa oab oad oae oah oak oao oar oaw ob- oba obb obd obe obh obk obo obr obw oda odb odd ode odh odo odr oea oeb oed oee oeh oeo oer oha ohd ohe ohh oho ohr oka okb okd oke okk oko okr okw oo- ooa oob ood ooh ook ooo oor oow or- ora orb ord ore orh ork oro orr owa owb owd owe owh owk owo oww ra- raa rab rad rae rah rak rao rar raw rba rbb rbd rbe rbh rbk rbo rbr rbw rda rdb rdd rde rdh rdo rdr re- rea reb red ree reh rek reo rer rew rh- rha rhb rhd rhe rhh rho rhr rkb rke rkk rko roa rob rod roe roh rok roo ror row rra rrb rrd rrh rrk rrr rwa rwb rwd rwe rwh rwr waa wab wad wae wah wak wao war waw wba wbb wbd wbe wbo wbr wbw wda wdb wdr wea web wed wee weh wek weo wer wew wh- wha whb whd whh whk who whr whw wka wkb wkd wke wko wkr wkw woa wob wod woe woh wok woo wor wow wr- wra wrd wre wrh wrk wro wrr wrw wwa wwd wwe wwo www