a-a a-b a-i aaa aab aad aae aah aai aan aao aap aas ab- aba abb abd abe abh abi abn abo abp abs ad- ada adb add ade adh adi adn ado adp ads aea aeb aed aee aeh aei aen aeo aep aes aha ahb ahd ahe ahh ahi ahn aho ahp ahs ai- aia aib aid aie aih aii ain aio aip ais an- ana anb and ane anh ani ann ano anp ans aoa aob aod aoe aoh aoi aon aoo aop aos ap- apa apb apd ape aph api apn apo app aps as- asa asb asd ase ash asi asn aso asp ass b-p baa bab bad bae bah bai ban bao bap bas bba bbb bbd bbe bbh bbi bbn bbo bbp bbs bda bdb bdd bde bdh bdi bdo bdp bds be- bea beb bed bee beh bei ben beo bep bes bha bhb bhd bhe bhh bhi bho bhp bhs bi- bia bib bid bie bih bii bin bio bip bis bna bnb bnd bne bni bnn bno bnp bns boa bob bod boe boh boi bon boo bop bos bpa bpb bpd bpe bph bpi bpn bpo bpp bps bsa bsb bsd bse bsh bsi bsn bso bsp bss daa dab dad dae dah dai dan dao dap das dba dbb dbd dbe dbh dbi dbn dbo dbp dbs dda ddb ddd dde ddh ddi ddn ddo ddp dds de- dea deb ded dee deh dei den deo dep des dh- dha dhb dhd dhe dhh dhi dho dhp dhs di- dia dib did die dih dii din dio dip dis dna dnb dnd dne dnh dni dnn dno dnp dns doa dob dod doe doh doi don doo dop dos dpa dpb dpd dpe dph dpi dpn dpo dpp dps dsa dsb dsd dse dsh dsi dsn dso dsp dss eaa eab ead eae eah eai ean eao eap eas eba ebb ebd ebe ebh ebi ebn ebo ebp ebs ed- eda edb edd ede edh edi edn edo edp eds eea eeb eed eee een eeo eep ees eha ehb ehd ehe ehh ehi ehn eho ehp ehs eia eib eid eie eii ein eio eip eis en- ena enb end ene enh eni enn eno enp ens eo- eoa eob eod eoe eoh eoi eon eoo eop eos ep- epa epb epd epe eph epi epn epo epp eps es- esa esb esd ese esh esi esn eso esp ess h-i haa hab had hae hah hai han hao hap has hba hbb hbd hbe hbh hbi hbn hbo hbp hbs hda hdb hdd hde hdh hdi hdn hdo hdp hds he- hea heb hed hee heh hei hen heo hep hes hha hhb hhd hhe hhh hhi hhn hho hhp hhs hia hib hid hie hih hii hin hio hip his hna hnb hnd hne hnh hnn hno hns hoa hob hod hoe hoh hoi hon hoo hop hos hpa hpb hpd hpe hph hpi hpn hpo hpp hps hsa hsb hsd hse hsh hsi hsn hsp hss i-d ia- iaa iab iad iae iah iai ian iao iap ias iba ibb ibd ibe ibh ibi ibn ibo ibp ibs ida idb idd ide idh idi idn ido idp ids ie- iea ied iee iei ien iep ies iha ihb ihd ihe ihh ihi ihn iho ihp ihs iia iib iid iie iih iii iin iio iip iis in- ina inb ind ine inh ini inn ino inp ins io- ioa iob iod ioe ioh ioi ion ioo iop ios ipa ipb ipd ipe ipi ipn ipo ipp ips is- isa isb isd ise ish isi isn iso isp iss n-i naa nab nad nae nah nai nan nao nap nas nba nbb nbd nbe nbi nbn nbo nbp nbs nda ndb ndd nde ndh ndi ndn ndo ndp nds ne- nea neb ned nee neh nei nen neo nep nes nha nhb nhd nhe nhh nhi nhn nhp nhs nia nib nid nie nih nii nin nio nip nis nna nnb nne nnh nni nnn nno nnp nns no- noa nob nod noe noh noi non noo nop nos npa npb npd npe nph npi npn npo npp nps nsa nsb nsd nse nsh nsi nsn nso nsp nss o-i oaa oab oad oae oah oai oan oao oap oas ob- oba obb obd obe obh obi obn obo obp obs oda odb odd ode odh odi odn odo odp ods oea oeb oed oee oeh oei oen oeo oep oes oha ohd ohe ohh ohi ohn oho ohp ohs oia oib oid oie oii oin oio oip ois on- ona onb ond one onh oni onn ono onp ons oo- ooa oob ood ooh ooi oon ooo oop oos op- opa opb opd ope oph opi opn opo opp ops os- osa osb osd ose osh osi osn oso osp oss p-p paa pab pad pae pah pai pan pao pap pas pba pbb pbd pbe pbi pbn pbo pbp pbs pda pdb pdd pde pdh pdi pdn pdo pdp pds pea peb ped pee peh pei pen peo pep pes pha phb phd phe phi phn pho php phs pia pib pid pie pih pii pin pio pip pis pn- pna pnb pnd pne pnh pni pnn pno pnp pns poa pob pod poe poh poi pon poo pop pos ppa ppb ppd ppe pph ppi ppn ppo ppp pps ps- psa psb psd pse psh psi psn pso psp pss saa sab sad sae sah sai san sao sap sas sba sbb sbd sbe sbh sbi sbn sbo sbp sbs sda sdb sdd sde sdh sdi sdn sdo sdp sds se- sea seb sed see seh sei sen seo sep ses sh- sha shb shd she shh shi shn sho shp shs sia sib sid sie sih sii sin sio sip sis sna snb snd sne sni snn sno snp sns soa sob sod soe soh soi son soo sop sos spa