-ic a-a a-b a-c a-i aaa aab aac aad aah aai aao aap aar ab- aba abb abc abd abh abi abo abp abr ac- aca acb acc acd ach aci aco acp acr ad- ada adb adc add adh adi ado adp adr aha ahb ahc ahd ahh ahi aho ahp ahr ai- aia aib aic aid aih aii aio aip air aoa aob aoc aod aoh aoi aoo aop aor ap- apa apb apc apd aph api apo app apr ar- ara arb arc ard arh ari aro arp arr b-p baa bab bac bad bah bai bao bap bar bba bbb bbc bbd bbh bbi bbo bbp bbr bca bcb bcc bcd bch bci bco bcp bcr bda bdb bdc bdd bdh bdi bdo bdp bdr bha bhb bhc bhd bhh bhi bho bhp bhr bi- bia bib bic bid bih bii bio bip bir boa bob boc bod boh boi boo bop bor bpa bpb bpc bpd bph bpi bpo bpp bpr bra brb brd brh bri bro brp brr c-- caa cab cac cad cah cai cao cap car cba cbb cbc cbd cbh cbi cbo cbp cbr cca ccb ccc ccd cch cci cco ccp ccr cda cdb cdc cdd cdh cdi cdo cdp cdr ch- cha chb chc chd chh chi cho chp chr ci- cia cib cic cid cih cii cio cip cir co- coa cob coc cod coh coi coo cop cor cpa cpb cpc cpd cph cpi cpo cpp cpr cra crb crc crd crh cri cro crp crr daa dab dac dad dah dai dao dap dar dba dbb dbc dbd dbh dbi dbo dbp dbr dca dcb dcc dcd dci dco dcp dcr dda ddb ddc ddd ddh ddi ddo ddp ddr dh- dha dhb dhc dhd dhh dhi dho dhp dhr di- dia dib dic did dih dii dio dip dir doa dob doc dod doh doi doo dop dor dpa dpb dpc dpd dph dpi dpo dpp dpr dra drb drc drd dri dro drp drr h-i haa hab hac had hah hai hao hap har hba hbb hbc hbd hbh hbi hbo hbp hbr hca hcb hcc hcd hch hci hco hcp hcr hda hdb hdc hdd hdh hdi hdo hdp hdr hha hhb hhc hhd hhh hhi hho hhp hhr hia hib hic hid hih hii hio hip hir hoa hob hoc hod hoh hoi hoo hop hor hpa hpb hpc hpd hph hpi hpo hpp hpr hr- hra hrb hrc hrd hrh hri hro hrp hrr i-d ia- iaa iab iac iad iah iai iao iap iar iba ibb ibc ibd ibh ibi ibo ibp ibr ica icb icc icd ich ici ico icp icr ida idb idc idd idh idi ido idp idr iha ihb ihc ihd ihh ihi iho ihp ihr iia iib iic iid iih iii iio iip iir io- ioa iob ioc iod ioh ioi ioo iop ior ipa ipb ipc ipd ipi ipo ipp ipr ir- ira irb irc ird iri iro irp irr o-i oaa oab oac oad oah oai oao oap oar ob- oba obb obc obd obh obi obo obp obr oc- oca ocb occ ocd och oci oco ocp ocr oda odb odc odd odh odi odo odp odr oha ohc ohd ohh ohi oho ohp ohr oia oib oic oid oii oio oip oir oo- ooa oob ooc ood ooh ooi ooo oop oor op- opa opb opc opd oph opi opo opp opr or- ora orb orc ord orh ori oro orp orr p-p paa pab pac pad pah pai pao pap par pba pbb pbc pbd pbi pbo pbp pbr pca pcb pcc pcd pch pci pco pcp pcr pda pdb pdc pdd pdh pdi pdo pdp pdr pha phb phc phd phi pho php phr pia pib pic pid pih pii pio pip pir poa pob poc pod poh poi poo pop por ppa ppb ppc ppd pph ppi ppo ppp ppr pra prb prc prd prh pri pro prp prr ra- raa rab rac rad rah rai rao rap rar rba rbb rbc rbd rbh rbi rbo rbp rbr rca rcb rcc rcd rch rci rco rcp rcr rda rdb rdc rdd rdh rdi rdo rdp rdr rh- rha rhb rhc rhd rhh rhi rho rhp rhr ria rib ric rid rih rii rio rip rir roa rob roc rod roh roi roo rop ror rpa rpb rpc rpd rph rpi rpo rpp rpr rra rrb rrc rrd rrh rri rrp rrr