-ic a-a a-b a-c a-i aaa aab aac aad aah aai aao aap aar aas ab- aba abb abc abd abh abi abo abp abr abs ac- aca acb acc acd ach aci aco acp acr acs ad- ada adb adc add adh adi ado adp adr ads aha ahb ahc ahd ahh ahi aho ahp ahr ahs ai- aia aib aic aid aih aii aio aip air ais aoa aob aoc aod aoh aoi aoo aop aor aos ap- apa apb apc apd aph api apo app apr aps ar- ara arb arc ard arh ari aro arp arr ars as- asa asb asc asd ash asi aso asp asr ass b-p baa bab bac bad bah bai bao bap bar bas bba bbb bbc bbd bbh bbi bbo bbp bbr bbs bca bcb bcc bcd bch bci bco bcp bcr bcs bda bdb bdc bdd bdh bdi bdo bdp bdr bds bha bhb bhc bhd bhh bhi bho bhp bhr bhs bi- bia bib bic bid bih bii bio bip bir bis boa bob boc bod boh boi boo bop bor bos bpa bpb bpc bpd bph bpi bpo bpp bpr bps bra brb brd brh bri bro brp brr brs bsa bsb bsc bsd bsh bsi bso bsp bsr bss c-- caa cab cac cad cah cai cao cap car cas cba cbb cbc cbd cbh cbi cbo cbp cbr cbs cca ccb ccc ccd cch cci cco ccp ccr ccs cda cdb cdc cdd cdh cdi cdo cdp cdr cds ch- cha chb chc chd chh chi cho chp chr chs ci- cia cib cic cid cih cii cio cip cir cis co- coa cob coc cod coh coi coo cop cor cos cpa cpb cpc cpd cph cpi cpo cpp cpr cps cra crb crc crd crh cri cro crp crr crs csa csb csc csd csh csi cso csp csr css daa dab dac dad dah dai dao dap dar das dba dbb dbc dbd dbh dbi dbo dbp dbr dbs dca dcb dcc dcd dci dco dcp dcr dcs dda ddb ddc ddd ddh ddi ddo ddp ddr dds dh- dha dhb dhc dhd dhh dhi dho dhp dhr dhs di- dia dib dic did dih dii dio dip dir dis doa dob doc dod doh doi doo dop dor dos dpa dpb dpc dpd dph dpi dpo dpp dpr dps dra drb drc drd dri dro drp drr drs dsa dsb dsc dsd dsh dsi dso dsp dsr dss h-i haa hab hac had hah hai hao hap har has hba hbb hbc hbd hbh hbi hbo hbp hbr hbs hca hcb hcc hcd hch hci hco hcp hcr hcs hda hdb hdc hdd hdh hdi hdo hdp hdr hds hha hhb hhc hhd hhh hhi hho hhp hhr hhs hia hib hic hid hih hii hio hip hir his hoa hob hoc hod hoh hoi hoo hop hor hos hpa hpb hpc hpd hph hpi hpo hpp hpr hps hr- hra hrb hrc hrd hrh hri hro hrp hrr hrs hsa hsb hsc hsd hsh hsi hsp hsr hss i-d ia- iaa iab iac iad iah iai iao iap iar ias iba ibb ibc ibd ibh ibi ibo ibp ibr ibs ica icb icc icd ich ici ico icp icr ics ida idb idc idd idh idi ido idp idr ids iha ihb ihc ihd ihh ihi iho ihp ihr ihs iia iib iic iid iih iii iio iip iir iis io- ioa iob ioc iod ioh ioi ioo iop ior ios ipa ipb ipc ipd ipi ipo ipp ipr ips ir- ira irb irc ird iri iro irp irr irs is- isa isb isc isd ish isi iso isp isr iss o-i oaa oab oac oad oah oai oao oap oar oas ob- oba obb obc obd obh obi obo obp obr obs oc- oca ocb occ ocd och oci oco ocp ocr ocs oda odb odc odd odh odi odo odp odr ods oha ohc ohd ohh ohi oho ohp ohr ohs oia oib oic oid oii oio oip oir ois oo- ooa oob ooc ood ooh ooi ooo oop oor oos op- opa opb opc opd oph opi opo opp opr ops or- ora orb orc ord orh ori oro orp orr ors os- osa osb osc osd osh osi oso osp osr oss p-p paa pab pac pad pah pai pao pap par pas pba pbb pbc pbd pbi pbo pbp pbr pbs pca pcb pcc pcd pch pci pco pcp pcr pcs pda pdb pdc pdd pdh pdi pdo pdp pdr pds pha phb phc phd phi pho php phr phs pia pib pic pid pih pii pio pip pir pis poa pob poc pod poh poi poo pop por pos ppa ppb ppc ppd pph ppi ppo ppp ppr pps pra prb prc prd prh pri pro prp prr prs ps- psa psb psc psd psh psi pso psp psr pss ra- raa rab rac rad rah rai rao rap rar ras rba rbb rbc rbd rbh rbi rbo rbp rbr rbs rca rcb rcc rcd rch rci rco rcp rcr rcs rda rdb rdc rdd rdh rdi rdo rdp rdr rds rh- rha rhb rhc rhd rhh rhi rho rhp rhr rhs ria rib ric rid rih rii rio rip rir ris roa rob roc rod roh roi roo rop ror ros rpa rpb rpc rpd rph rpi rpo rpp rpr rps rra rrb rrc rrd rrh rri rrp rrr rrs rsa rsb rsc rsd rsh rsi rso rsp rsr rss saa sab sac sad sah sai sao sap sar sas sba sbb sbc sbd sbh sbi sbo sbp sbr sbs sca scb scc scd sch sci sco scp scr scs sda sdb sdc sdd sdh sdi sdo sdp sdr sds sh- sha shb shc shd shh shi sho shp shr shs sia sib sic sid sih sii sio sip sir sis soa sob soc sod soh soi soo sop sor sos spa spb