-er a-a a-b a-i aaa aab aad aae aah aai aan aao aap aar ab- aba abb abd abe abh abi abn abo abp abr ad- ada adb add ade adh adi adn ado adp adr aea aeb aed aee aeh aei aen aeo aep aer aha ahb ahd ahe ahh ahi ahn aho ahp ahr ai- aia aib aid aie aih aii ain aio aip air an- ana anb and ane anh ani ann ano anp anr aoa aob aod aoe aoh aoi aon aoo aop aor ap- apa apb apd ape aph api apn apo app apr ar- ara arb ard are arh ari arn aro arp arr b-p baa bab bad bae bah bai ban bao bap bar bba bbb bbd bbe bbh bbi bbn bbo bbp bbr bda bdb bdd bde bdh bdi bdo bdp bdr be- bea beb bed bee beh bei ben beo bep ber bha bhb bhd bhe bhh bhi bho bhp bhr bi- bia bib bid bie bih bii bin bio bip bir bna bnb bnd bne bni bnn bno bnp bnr boa bob bod boe boh boi bon boo bop bor bpa bpb bpd bpe bph bpi bpn bpo bpp bpr bra brb brd bre brh bri brn bro brp brr daa dab dad dae dah dai dan dao dap dar dba dbb dbd dbe dbh dbi dbn dbo dbp dbr dda ddb ddd dde ddh ddi ddn ddo ddp ddr de- dea deb ded dee deh dei den deo dep der dh- dha dhb dhd dhe dhh dhi dho dhp dhr di- dia dib did die dih dii din dio dip dir dna dnb dnd dne dnh dni dnn dno dnp dnr doa dob dod doe doh doi don doo dop dor dpa dpb dpd dpe dph dpi dpn dpo dpp dpr dra drb drd dre dri drn dro drp drr eaa eab ead eae eah eai ean eao eap ear eba ebb ebd ebe ebh ebi ebn ebo ebp ebr ed- eda edb edd ede edh edi edn edo edp edr eea eeb eed eee een eeo eep eer eha ehb ehd ehe ehh ehi ehn eho ehp ehr eia eib eid eie eii ein eio eip eir en- ena enb end ene enh eni enn eno enp enr eo- eoa eob eod eoe eoh eoi eon eoo eop eor ep- epa epb epd epe eph epi epn epo epp epr era erb erd ere erh eri ern ero erp err h-i haa hab had hae hah hai han hao hap har hba hbb hbd hbe hbh hbi hbn hbo hbp hbr hda hdb hdd hde hdh hdi hdn hdo hdp hdr he- hea heb hed hee heh hei hen heo hep her hha hhb hhd hhe hhh hhi hhn hho hhp hhr hia hib hid hie hih hii hin hio hip hir hna hnb hnd hne hnh hnn hno hoa hob hod hoe hoh hoi hon hoo hop hor hpa hpb hpd hpe hph hpi hpn hpo hpp hpr hr- hra hrb hrd hre hrh hri hrn hro hrp hrr i-d ia- iaa iab iad iae iah iai ian iao iap iar iba ibb ibd ibe ibh ibi ibn ibo ibp ibr ida idb idd ide idh idi idn ido idp idr ie- iea ied iee iei ien iep ier iha ihb ihd ihe ihh ihi ihn iho ihp ihr iia iib iid iie iih iii iin iio iip iir in- ina inb ind ine inh ini inn ino inp inr io- ioa iob iod ioe ioh ioi ion ioo iop ior ipa ipb ipd ipe ipi ipn ipo ipp ipr ir- ira irb ird ire iri irn iro irp irr n-i naa nab nad nae nah nai nan nao nap nar nba nbb nbd nbe nbi nbn nbo nbp nbr nda ndb ndd nde ndh ndi ndn ndo ndp ndr ne- nea neb ned nee neh nei nen neo nep ner nha nhb nhd nhe nhh nhi nhn nhp nhr nia nib nid nie nih nii nin nio nip nir nna nnb nne nnh nni nnn nno nnp no- noa nob nod noe noh noi non noo nop nor npa npb npd npe nph npi npn npo npp npr nra nrb nrd nre nri nrn nro nrp nrr o-i oaa oab oad oae oah oai oan oao oap oar ob- oba obb obd obe obh obi obn obo obp obr oda odb odd ode odh odi odn odo odp odr oea oeb oed oee oeh oei oen oeo oep oer oha ohd ohe ohh ohi ohn oho ohp ohr oia oib oid oie oii oin oio oip oir on- ona onb ond one onh oni onn ono onp onr oo- ooa oob ood ooh ooi oon ooo oop oor op- opa opb opd ope oph opi opn opo opp opr or- ora orb ord ore orh ori orn oro orp orr p-p paa pab pad pae pah pai pan pao pap par pba pbb pbd pbe pbi pbn pbo pbp pbr pda pdb pdd pde pdh pdi pdn pdo pdp pdr pea peb ped pee peh pei pen peo pep per pha phb phd phe phi phn pho php phr pia pib pid pie pih pii pin pio pip pir pn- pna pnb pnd pne pnh pni pnn pno pnp pnr poa pob pod poe poh poi pon poo pop por ppa ppb ppd ppe pph ppi ppn ppo ppp ppr pra prb prd pre prh pri prn pro prp prr ra- raa rab rad rae rah rai ran rao rap rar rba rbb rbd rbe rbh rbi rbn rbo rbp rbr rda rdb rdd rde rdh rdi rdn rdo rdp rdr re- rea reb red ree reh rei ren reo rep rer rh- rha rhb rhd rhe rhh rhi rhn rho rhp rhr ria rib rid rie rih rii rin rio rip rir rna rnb rnd rnh rni rnn rno rnp rnr roa rob rod roe roh roi ron roo rop ror rpa rpb rpd rpe