-ic a-a a-b a-c a-i aaa aab aac aag aah aai aao aap aar ab- aba abb abc abg abh abi abo abp abr ac- aca acb acc acg ach aci aco acp acr ag- aga agb agc agg agh agi ago agp agr aha ahb ahc ahg ahh ahi aho ahp ahr ai- aia aib aic aig aih aii aio aip air aoa aob aoc aog aoh aoi aoo aop aor ap- apa apb apc apg aph api apo app apr ar- ara arb arc arg arh ari aro arp arr b-p baa bab bac bag bah bai bao bap bar bba bbb bbc bbg bbh bbi bbo bbp bbr bca bcb bcc bcg bch bci bco bcp bcr bga bgb bgc bgg bgh bgi bgo bgp bgr bha bhb bhc bhg bhh bhi bho bhp bhr bi- bia bib bic big bih bii bio bip bir boa bob boc bog boh boi boo bop bor bpa bpb bpc bpg bph bpi bpo bpp bpr bra brb brg brh bri bro brp brr c-- caa cab cac cag cah cai cao cap car cba cbb cbc cbg cbh cbi cbo cbp cbr cca ccb ccc ccg cch cci cco ccp ccr cga cgb cgc cgg cgh cgi cgo cgp cgr ch- cha chb chc chg chh chi cho chp chr ci- cia cib cic cig cih cii cio cip cir co- coa cob coc cog coh coi coo cop cor cpa cpb cpc cpg cph cpi cpo cpp cpr cra crb crc crg crh cri cro crp crr g-p gaa gab gac gag gah gai gao gap gar gba gbc gbg gbh gbi gbo gbp gbr gca gcb gcc gcg gch gci gco gcp gcr gga ggb ggc ggg ggh ggi ggo ggp ggr gha ghb ghc ghg ghh ghi gho ghp ghr gia gib gic gig gih gii gio gip gir goa gob goc gog goh goi goo gop gor gpa gpb gpc gpg gph gpi gpo gpp gpr gra grb grc grg grh gri gro grp grr h-i haa hab hac hag hah hai hao hap har hba hbb hbc hbg hbh hbi hbo hbp hbr hca hcb hcc hcg hch hci hco hcp hcr hga hgb hgc hgg hgh hgi hgo hgp hgr hha hhb hhc hhg hhh hhi hho hhp hhr hia hib hic hig hih hii hio hip hir hoa hob hoc hog hoh hoi hoo hop hor hpa hpb hpc hpg hph hpi hpo hpp hpr hr- hra hrb hrc hrg hrh hri hro hrp hrr ia- iaa iab iac iag iah iai iao iap iar iba ibb ibc ibg ibh ibi ibo ibp ibr ica icb icc icg ich ici ico icp icr iga igb igc igg igh igi igo igp igr iha ihb ihc ihg ihh ihi iho ihp ihr iia iib iic iih iii iio iip iir io- ioa iob ioc iog ioh ioi ioo iop ior ipa ipb ipc ipg ipi ipo ipp ipr ir- ira irb irc irg iri iro irp irr o-i oaa oab oac oag oah oai oao oap oar ob- oba obb obc obg obh obi obo obp obr oc- oca ocb occ ocg och oci oco ocp ocr oga ogc ogg ogh ogi ogo ogp oha ohc ohg ohh ohi oho ohp ohr oia oib oic oii oio oip oir oo- ooa oob ooc oog ooh ooi ooo oop oor op- opa opb opc opg oph opi opo opp opr or- ora orb orc org orh ori oro orp orr p-p paa pab pac pag pah pai pao pap par pba pbb pbc pbg pbi pbo pbp pbr pca pcb pcc pcg pch pci pco pcp pcr pga pgb pgc pgg pgh pgi pgo pgp pgr pha phb phc phg phi pho php phr pia pib pic pig pih pii pio pip pir poa pob poc pog poh poi poo pop por ppa ppb ppc ppg pph ppi ppo ppp ppr pra prb prc prg prh pri pro prp prr ra- raa rab rac rag rah rai rao rap rar rba rbb rbc rbg rbh rbi rbo rbp rbr rca rcb rcc rcg rch rci rco rcp rcr rga rgb rgc rgg rgh rgi rgo rgp rgr rh- rha rhb rhc rhg rhh rhi rho rhp rhr ria rib ric rig rih rii rio rip rir roa rob roc rog roh roi roo rop ror rpa rpb rpc rpg rph rpi rpo rpp rpr rra rrb rrc rrg rrh rri rrp rrr