-ic a-a a-b a-c a-i aaa aab aac aad aae aah aai aao aap aas ab- aba abb abc abd abe abh abi abo abp abs ac- aca acb acc acd ace ach aci aco acp acs ad- ada adb adc add ade adh adi ado adp ads aea aeb aec aed aee aeh aei aeo aep aes aha ahb ahc ahd ahe ahh ahi aho ahp ahs ai- aia aib aic aid aie aih aii aio aip ais aoa aob aoc aod aoe aoh aoi aoo aop aos ap- apa apb apc apd ape aph api apo app aps as- asa asb asc asd ase ash asi aso asp ass b-p baa bab bac bad bae bah bai bao bap bas bba bbb bbc bbd bbe bbh bbi bbo bbp bbs bca bcb bcc bcd bce bch bci bco bcp bcs bda bdb bdc bdd bde bdh bdi bdo bdp bds be- bea beb bec bed bee beh bei beo bep bes bha bhb bhc bhd bhe bhh bhi bho bhp bhs bi- bia bib bic bid bie bih bii bio bip bis boa bob boc bod boe boh boi boo bop bos bpa bpb bpc bpd bpe bph bpi bpo bpp bps bsa bsb bsc bsd bse bsh bsi bso bsp bss c-- caa cab cac cad cae cah cai cao cap cas cba cbb cbc cbd cbe cbh cbi cbo cbp cbs cca ccb ccc ccd cce cch cci cco ccp ccs cda cdb cdc cdd cde cdh cdi cdo cdp cds ce- cea ceb cec ced cee ceh cei ceo cep ces ch- cha chb chc chd che chh chi cho chp chs ci- cia cib cic cid cie cih cii cio cip cis co- coa cob coc cod coe coh coi coo cop cos cpa cpb cpc cpd cpe cph cpi cpo cpp cps csa csb csc csd cse csh csi cso csp css daa dab dac dad dae dah dai dao dap das dba dbb dbc dbd dbe dbh dbi dbo dbp dbs dca dcb dcc dcd dce dci dco dcp dcs dda ddb ddc ddd dde ddh ddi ddo ddp dds de- dea deb dec ded dee deh dei deo dep des dh- dha dhb dhc dhd dhe dhh dhi dho dhp dhs di- dia dib dic did die dih dii dio dip dis doa dob doc dod doe doh doi doo dop dos dpa dpb dpc dpd dpe dph dpi dpo dpp dps dsa dsb dsc dsd dse dsh dsi dso dsp dss eaa eab eac ead eae eah eai eao eap eas eba ebb ebc ebd ebe ebh ebi ebo ebp ebs ec- eca ecb ecc ecd ece ech eci eco ecs ed- eda edb edc edd ede edh edi edo edp eds eea eeb eec eed eee eeo eep ees eha ehb ehc ehd ehe ehh ehi eho ehp ehs eia eib eic eid eie eii eio eip eis eo- eoa eob eoc eod eoe eoh eoi eoo eop eos ep- epa epb epc epd epe eph epi epo epp eps es- esa esb esc esd ese esh esi eso esp ess h-i haa hab hac had hae hah hai hao hap has hba hbb hbc hbd hbe hbh hbi hbo hbp hbs hca hcb hcc hcd hce hch hci hco hcp hcs hda hdb hdc hdd hde hdh hdi hdo hdp hds he- hea heb hec hed hee heh hei heo hep hes hha hhb hhc hhd hhe hhh hhi hho hhp hhs hia hib hic hid hie hih hii hio hip his hoa hob hoc hod hoe hoh hoi hoo hop hos hpa hpb hpc hpd hpe hph hpi hpo hpp hps hsa hsb hsc hsd hse hsh hsi hsp hss i-d ia- iaa iab iac iad iae iah iai iao iap ias iba ibb ibc ibd ibe ibh ibi ibo ibp ibs ica icb icc icd ice ich ici ico icp ics ida idb idc idd ide idh idi ido idp ids ie- iea iec ied iee iei iep ies iha ihb ihc ihd ihe ihh ihi iho ihp ihs iia iib iic iid iie iih iii iio iip iis io- ioa iob ioc iod ioe ioh ioi ioo iop ios ipa ipb ipc ipd ipe ipi ipo ipp ips is- isa isb isc isd ise ish isi iso isp iss o-i oaa oab oac oad oae oah oai oao oap oas ob- oba obb obc obd obe obh obi obo obp obs oc- oca ocb occ ocd och oci oco ocp ocs oda odb odc odd ode odh odi odo odp ods oea oeb oec oed oee oeh oei oeo oep oes oha ohc ohd ohe ohh ohi oho ohp ohs oia oib oic oid oie oii oio oip ois oo- ooa oob ooc ood ooh ooi ooo oop oos op- opa opb opc opd ope oph opi opo opp ops os- osa osb osc osd ose osh osi oso osp oss p-p paa pab pac pad pae pah pai pao pap pas pba pbb pbc pbd pbe pbi pbo pbp pbs pca pcb pcc pcd pce pch pci pco pcp pcs pda pdb pdc pdd pde pdh pdi pdo pdp pds pea peb pec ped pee peh pei peo pep pes pha phb phc phd phe phi pho php phs pia pib pic pid pie pih pii pio pip pis poa pob poc pod poe poh poi poo pop pos ppa ppb ppc ppd ppe pph ppi ppo ppp pps ps- psa psb psc psd pse psh psi pso psp pss saa sab sac sad sae sah sai sao sap sas sba sbb sbc sbd sbe sbh sbi sbo sbp sbs sca scb scc scd sce sch sci sco scp scs sda sdb sdc sdd sde sdh sdi sdo sdp sds se- sea seb sec sed see seh sei seo sep ses sh- sha shb shc shd she shh shi sho shp shs sia sib sic sid sie sih sii sio sip sis soa sob