-er a-a a-b a-i aaa aab aad aae aah aai aao aap aar aas ab- aba abb abd abe abh abi abo abp abr abs ad- ada adb add ade adh adi ado adp adr ads aea aeb aed aee aeh aei aeo aep aer aes aha ahb ahd ahe ahh ahi aho ahp ahr ahs ai- aia aib aid aie aih aii aio aip air ais aoa aob aod aoe aoh aoi aoo aop aor aos ap- apa apb apd ape aph api apo app apr aps ar- ara arb ard are arh ari aro arp arr ars as- asa asb asd ase ash asi aso asp asr ass b-p baa bab bad bae bah bai bao bap bar bas bba bbb bbd bbe bbh bbi bbo bbp bbr bbs bda bdb bdd bde bdh bdi bdo bdp bdr bds be- bea beb bed bee beh bei beo bep ber bes bha bhb bhd bhe bhh bhi bho bhp bhr bhs bi- bia bib bid bie bih bii bio bip bir bis boa bob bod boe boh boi boo bop bor bos bpa bpb bpd bpe bph bpi bpo bpp bpr bps bra brb brd bre brh bri bro brp brr brs bsa bsb bsd bse bsh bsi bso bsp bsr bss daa dab dad dae dah dai dao dap dar das dba dbb dbd dbe dbh dbi dbo dbp dbr dbs dda ddb ddd dde ddh ddi ddo ddp ddr dds de- dea deb ded dee deh dei deo dep der des dh- dha dhb dhd dhe dhh dhi dho dhp dhr dhs di- dia dib did die dih dii dio dip dir dis doa dob dod doe doh doi doo dop dor dos dpa dpb dpd dpe dph dpi dpo dpp dpr dps dra drb drd dre dri dro drp drr drs dsa dsb dsd dse dsh dsi dso dsp dsr dss eaa eab ead eae eah eai eao eap ear eas eba ebb ebd ebe ebh ebi ebo ebp ebr ebs ed- eda edb edd ede edh edi edo edp edr eds eea eeb eed eee eeo eep eer ees eha ehb ehd ehe ehh ehi eho ehp ehr ehs eia eib eid eie eii eio eip eir eis eo- eoa eob eod eoe eoh eoi eoo eop eor eos ep- epa epb epd epe eph epi epo epp epr eps era erb erd ere erh eri ero erp err ers es- esa esb esd ese esh esi eso esp esr ess h-i haa hab had hae hah hai hao hap har has hba hbb hbd hbe hbh hbi hbo hbp hbr hbs hda hdb hdd hde hdh hdi hdo hdp hdr hds he- hea heb hed hee heh hei heo hep her hes hha hhb hhd hhe hhh hhi hho hhp hhr hhs hia hib hid hie hih hii hio hip hir his hoa hob hod hoe hoh hoi hoo hop hor hos hpa hpb hpd hpe hph hpi hpo hpp hpr hps hr- hra hrb hrd hre hrh hri hro hrp hrr hrs hsa hsb hsd hse hsh hsi hsp hsr hss i-d ia- iaa iab iad iae iah iai iao iap iar ias iba ibb ibd ibe ibh ibi ibo ibp ibr ibs ida idb idd ide idh idi ido idp idr ids ie- iea ied iee iei iep ier ies iha ihb ihd ihe ihh ihi iho ihp ihr ihs iia iib iid iie iih iii iio iip iir iis io- ioa iob iod ioe ioh ioi ioo iop ior ios ipa ipb ipd ipe ipi ipo ipp ipr ips ir- ira irb ird ire iri iro irp irr irs is- isa isb isd ise ish isi iso isp isr iss o-i oaa oab oad oae oah oai oao oap oar oas ob- oba obb obd obe obh obi obo obp obr obs oda odb odd ode odh odi odo odp odr ods oea oeb oed oee oeh oei oeo oep oer oes oha ohd ohe ohh ohi oho ohp ohr ohs oia oib oid oie oii oio oip oir ois oo- ooa oob ood ooh ooi ooo oop oor oos op- opa opb opd ope oph opi opo opp opr ops or- ora orb ord ore orh ori oro orp orr ors os- osa osb osd ose osh osi oso osp osr oss p-p paa pab pad pae pah pai pao pap par pas pba pbb pbd pbe pbi pbo pbp pbr pbs pda pdb pdd pde pdh pdi pdo pdp pdr pds pea peb ped pee peh pei peo pep per pes pha phb phd phe phi pho php phr phs pia pib pid pie pih pii pio pip pir pis poa pob pod poe poh poi poo pop por pos ppa ppb ppd ppe pph ppi ppo ppp ppr pps pra prb prd pre prh pri pro prp prr prs ps- psa psb psd pse psh psi pso psp psr pss ra- raa rab rad rae rah rai rao rap rar ras rba rbb rbd rbe rbh rbi rbo rbp rbr rbs rda rdb rdd rde rdh rdi rdo rdp rdr rds re- rea reb red ree reh rei reo rep rer res rh- rha rhb rhd rhe rhh rhi rho rhp rhr rhs ria rib rid rie rih rii rio rip rir ris roa rob rod roe roh roi roo rop ror ros rpa rpb rpd rpe rph rpi rpo rpp rpr rps rra rrb rrd rrh rri rrp rrr rrs rsa rsb rsd rse rsh rsi rso rsp rsr rss saa sab sad sae sah sai sao sap sar sas sba sbb sbd sbe sbh sbi sbo sbp sbr sbs sda sdb sdd sde sdh sdi sdo sdp sdr sds se- sea seb sed see seh sei seo sep ser ses sh- sha shb shd she shh shi sho shp shr shs sia sib sid sie sih sii sio sip sir sis soa sob sod soe soh soi soo sop sor sos spa spb spd spe sph