-er a-a a-b a-i aaa aab aad aae aah aai aao aap aar ab- aba abb abd abe abh abi abo abp abr ad- ada adb add ade adh adi ado adp adr aea aeb aed aee aeh aei aeo aep aer aha ahb ahd ahe ahh ahi aho ahp ahr ai- aia aib aid aie aih aii aio aip air aoa aob aod aoe aoh aoi aoo aop aor ap- apa apb apd ape aph api apo app apr ar- ara arb ard are arh ari aro arp arr b-p baa bab bad bae bah bai bao bap bar bba bbb bbd bbe bbh bbi bbo bbp bbr bda bdb bdd bde bdh bdi bdo bdp bdr be- bea beb bed bee beh bei beo bep ber bha bhb bhd bhe bhh bhi bho bhp bhr bi- bia bib bid bie bih bii bio bip bir boa bob bod boe boh boi boo bop bor bpa bpb bpd bpe bph bpi bpo bpp bpr bra brb brd bre brh bri bro brp brr daa dab dad dae dah dai dao dap dar dba dbb dbd dbe dbh dbi dbo dbp dbr dda ddb ddd dde ddh ddi ddo ddp ddr de- dea deb ded dee deh dei deo dep der dh- dha dhb dhd dhe dhh dhi dho dhp dhr di- dia dib did die dih dii dio dip dir doa dob dod doe doh doi doo dop dor dpa dpb dpd dpe dph dpi dpo dpp dpr dra drb drd dre dri dro drp drr eaa eab ead eae eah eai eao eap ear eba ebb ebd ebe ebh ebi ebo ebp ebr ed- eda edb edd ede edh edi edo edp edr eea eeb eed eee eeo eep eer eha ehb ehd ehe ehh ehi eho ehp ehr eia eib eid eie eii eio eip eir eo- eoa eob eod eoe eoh eoi eoo eop eor ep- epa epb epd epe eph epi epo epp epr era erb erd ere erh eri ero erp err h-i haa hab had hae hah hai hao hap har hba hbb hbd hbe hbh hbi hbo hbp hbr hda hdb hdd hde hdh hdi hdo hdp hdr he- hea heb hed hee heh hei heo hep her hha hhb hhd hhe hhh hhi hho hhp hhr hia hib hid hie hih hii hio hip hir hoa hob hod hoe hoh hoi hoo hop hor hpa hpb hpd hpe hph hpi hpo hpp hpr hr- hra hrb hrd hre hrh hri hro hrp hrr i-d ia- iaa iab iad iae iah iai iao iap iar iba ibb ibd ibe ibh ibi ibo ibp ibr ida idb idd ide idh idi ido idp idr ie- iea ied iee iei iep ier iha ihb ihd ihe ihh ihi iho ihp ihr iia iib iid iie iih iii iio iip iir io- ioa iob iod ioe ioh ioi ioo iop ior ipa ipb ipd ipe ipi ipo ipp ipr ir- ira irb ird ire iri iro irp irr o-i oaa oab oad oae oah oai oao oap oar ob- oba obb obd obe obh obi obo obp obr oda odb odd ode odh odi odo odp odr oea oeb oed oee oeh oei oeo oep oer oha ohd ohe ohh ohi oho ohp ohr oia oib oid oie oii oio oip oir oo- ooa oob ood ooh ooi ooo oop oor op- opa opb opd ope oph opi opo opp opr or- ora orb ord ore orh ori oro orp orr p-p paa pab pad pae pah pai pao pap par pba pbb pbd pbe pbi pbo pbp pbr pda pdb pdd pde pdh pdi pdo pdp pdr pea peb ped pee peh pei peo pep per pha phb phd phe phi pho php phr pia pib pid pie pih pii pio pip pir poa pob pod poe poh poi poo pop por ppa ppb ppd ppe pph ppi ppo ppp ppr pra prb prd pre prh pri pro prp prr ra- raa rab rad rae rah rai rao rap rar rba rbb rbd rbe rbh rbi rbo rbp rbr rda rdb rdd rde rdh rdi rdo rdp rdr re- rea reb red ree reh rei reo rep rer rh- rha rhb rhd rhe rhh rhi rho rhp rhr ria rib rid rie rih rii rio rip rir roa rob rod roe roh roi roo rop ror rpa rpb rpd rpe rph rpi rpo rpp rpr rra rrb rrd rrh rri rrp rrr

a-be a-do a-ha a-ii aaaa aaab aaad aaae aaah aaai aaap aaar aaba aabb aabd aabh aabi aabp aada aade aadi aaea aaep aaha aaib aaii aaoe aaoo aapa aaph aapi aapo aara aard aare aari aaro aarp abaa abab abad abae abai abap abar abb- abba abbb abbe abbi abbo abbr abda abdi abdo abed abee aber abha abhi abho abhr abia abib abid abie abir aboa abob abod aboh aboo abor abpa abpd abpi abpp abpr abra abri abro adaa adab adad adae adah adai adao adap adar adba adbi adda addd adde addi addo addr adea adeb adee adeh adeo ader adha adhd adhi adho adia adib adie adio adip adir adob adod adoe adoo ador adp- adra adre adro aeap aebi aede aeer aeio aer- aera aerd aeri aero ahab ahad ahah ahai ahar ahdi ahed ahha ahio ahip ahir ahoa ahod ahoe ahop ahor ahra ahre ahrr aiai aiba aibo aida aidb aide aidi aidr aiea aiee aiha aiho aiia aiib aiid aiir aioi aipa aipe aiph aipi aira aird aire airh airi airo airp aoah aoba aodh aopo aora aorb apah apai apao apap apar apba apbr apda apdd apea aped apeh apep aper aph- apha api- apia apid apie apio apip apo- apod apoe apoo apop apor appa appd apph appr apra apre apri apro arab arad arae arah arai arap arar arba arbe arbh arbi arda arde ardi ardo area ared aree areh arei areo arep arh- aria arib arid arie arii ario arip