-ic a-a a-b a-c a-i aaa aab aac aag aah aai aan aao aap aar ab- aba abb abc abg abh abi abn abo abp abr ac- aca acb acc acg ach aci acn aco acp acr ag- aga agb agc agg agh agi agn ago agp agr aha ahb ahc ahg ahh ahi ahn aho ahp ahr ai- aia aib aic aig aih aii ain aio aip air an- ana anb anc ang anh ani ann ano anp anr aoa aob aoc aog aoh aoi aon aoo aop aor ap- apa apb apc apg aph api apn apo app apr ar- ara arb arc arg arh ari arn aro arp arr b-p baa bab bac bag bah bai ban bao bap bar bba bbb bbc bbg bbh bbi bbn bbo bbp bbr bca bcb bcc bcg bch bci bcn bco bcp bcr bga bgb bgc bgg bgh bgi bgn bgo bgp bgr bha bhb bhc bhg bhh bhi bho bhp bhr bi- bia bib bic big bih bii bin bio bip bir bna bnb bnc bng bni bnn bno bnp bnr boa bob boc bog boh boi bon boo bop bor bpa bpb bpc bpg bph bpi bpn bpo bpp bpr bra brb brg brh bri brn bro brp brr c-- caa cab cac cag cah cai can cao cap car cba cbb cbc cbg cbh cbi cbn cbo cbp cbr cca ccb ccc ccg cch cci ccn cco ccp ccr cga cgb cgc cgg cgh cgi cgn cgo cgp cgr ch- cha chb chc chg chh chi chn cho chp chr ci- cia cib cic cig cih cii cin cio cip cir cn- cna cnb cnc cng cnh cni cnn cno cnp cnr co- coa cob coc cog coh coi con coo cop cor cpa cpb cpc cpg cph cpi cpn cpo cpp cpr cra crb crc crg crh cri crn cro crp crr g-p gaa gab gac gag gah gai gan gao gap gar gba gbc gbg gbh gbi gbn gbo gbp gbr gca gcb gcc gcg gch gci gcn gco gcp gcr gga ggb ggc ggg ggh ggi ggn ggo ggp ggr gha ghb ghc ghg ghh ghi ghn gho ghp ghr gia gib gic gig gih gii gin gio gip gir gna gnb gnc gni gnn gno gnp gnr goa gob goc gog goh goi gon goo gop gor gpa gpb gpc gpg gph gpi gpn gpo gpp gpr gra grb grc grg grh gri grn gro grp grr h-i haa hab hac hag hah hai han hao hap har hba hbb hbc hbg hbh hbi hbn hbo hbp hbr hca hcb hcc hcg hch hci hcn hco hcp hcr hga hgb hgc hgg hgh hgi hgn hgo hgp hgr hha hhb hhc hhg hhh hhi hhn hho hhp hhr hia hib hic hig hih hii hin hio hip hir hna hnb hnc hng hnh hnn hno hoa hob hoc hog hoh hoi hon hoo hop hor hpa hpb hpc hpg hph hpi hpn hpo hpp hpr hr- hra hrb hrc hrg hrh hri hrn hro hrp hrr ia- iaa iab iac iag iah iai ian iao iap iar iba ibb ibc ibg ibh ibi ibn ibo ibp ibr ica icb icc icg ich ici icn ico icp icr iga igb igc igg igh igi ign igo igp igr iha ihb ihc ihg ihh ihi ihn iho ihp ihr iia iib iic iih iii iin iio iip iir in- ina inb inc ing inh ini inn ino inp inr io- ioa iob ioc iog ioh ioi ion ioo iop ior ipa ipb ipc ipg ipi ipn ipo ipp ipr ir- ira irb irc irg iri irn iro irp irr n-i naa nab nac nag nah nai nan nao nap nar nba nbb nbc nbg nbi nbn nbo nbp nbr nca ncb ncc ncg nch nci ncn nco ncp ncr nga ngb ngc ngg ngh ngi ngn ngo ngp nha nhb nhc nhg nhh nhi nhn nhp nhr nia nib nic nig nih nii nin nio nip nir nna nnb nnc nng nnh nni nnn nno nnp no- noa nob noc nog noh noi non noo nop nor npa npb npc npg nph npi npn npo npp npr nra nrb nrc nrg nri nrn nro nrp nrr o-i oaa oab oac oag oah oai oan oao oap oar ob- oba obb obc obg obh obi obn obo obp obr oc- oca ocb occ ocg och oci ocn oco ocp ocr oga ogc ogg ogh ogi ogn ogo ogp oha ohc ohg ohh ohi ohn oho ohp ohr oia oib oic oii oin oio oip oir on- ona onb onc ong onh oni onn ono onp onr oo- ooa oob ooc oog ooh ooi oon ooo oop oor op- opa opb opc opg oph opi opn opo opp opr or- ora orb orc org orh ori orn oro orp orr p-p paa pab pac pag pah pai pan pao pap par pba pbb pbc pbg pbi pbn pbo pbp pbr pca pcb pcc pcg pch pci pcn pco pcp pcr pga pgb pgc pgg pgh pgi pgn pgo pgp pgr pha phb phc phg phi phn pho php phr pia pib pic pig pih pii pin pio pip pir pn- pna pnb pnc png pnh pni pnn pno pnp pnr poa pob poc pog poh poi pon poo pop por ppa ppb ppc ppg pph ppi ppn ppo ppp ppr pra prb prc prg prh pri prn pro prp prr ra- raa rab rac rag rah rai ran rao rap rar rba rbb rbc rbg rbh rbi rbn rbo rbp rbr rca rcb rcc rcg rch rci rcn rco rcp rcr rga rgb rgc rgg rgh rgi rgn rgo rgp rgr rh- rha rhb rhc rhg rhh rhi rhn rho rhp rhr ria rib ric rig rih rii rin rio rip rir rna rnb rnc rng rnh rni rnn rno rnp rnr roa rob roc rog roh roi ron roo rop ror rpa rpb rpc rpg rph