-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aan aao aap aar aat ab- aba abb abc abi abm abn abo abp abr abt ac- aca acb acc aci acm acn aco acp acr act ai- aia aib aic aii aim ain aio aip air ait ama amb amc ami amm amn amo amp amr amt an- ana anb anc ani anm ann ano anp anr ant aoa aob aoc aoi aom aon aoo aop aor aot ap- apa apb apc api apm apn apo app apr apt ar- ara arb arc ari arm arn aro arp arr art at- ata atb atc ati atm atn ato atp atr att b-p baa bab bac bai bam ban bao bap bar bat bba bbb bbc bbi bbm bbn bbo bbp bbr bbt bca bcb bcc bci bcm bcn bco bcp bcr bct bi- bia bib bic bii bim bin bio bip bir bit bma bmb bmc bmi bmm bmn bmo bmp bmr bmt bna bnb bnc bni bnn bno bnp bnr bnt boa bob boc boi bom bon boo bop bor bot bpa bpb bpc bpi bpm bpn bpo bpp bpr bpt bra brb bri brm brn bro brp brr brt bta btb btc bti btm btn bto btp btr btt c-- caa cab cac cai cam can cao cap car cat cba cbb cbc cbi cbm cbn cbo cbp cbr cbt cca ccb ccc cci ccm ccn cco ccp ccr cct ci- cia cib cic cii cim cin cio cip cir cit cma cmb cmc cmi cmm cmn cmo cmp cmr cmt cn- cna cnb cnc cni cnm cnn cno cnp cnr cnt co- coa cob coc coi com con coo cop cor cot cpa cpb cpc cpi cpm cpn cpo cpp cpr cpt cra crb crc cri crm crn cro crp crr crt cta ctb ctc cti ctm ctn cto ctp ctr ctt ia- iaa iab iac iai iam ian iao iap iar iat iba ibb ibc ibi ibm ibn ibo ibp ibr ibt ica icb icc ici icm icn ico icp icr ict iia iib iic iii iim iin iio iip iir iit im- ima imb imc imi imm imn imo imp imt in- ina inb inc ini inm inn ino inp inr int io- ioa iob ioc ioi iom ion ioo iop ior iot ipa ipb ipc ipi ipm ipn ipo ipp ipr ipt ir- ira irb irc iri irm irn iro irp irr irt ita itb itc iti itm itn ito itp itt m-o m-r maa mab mac mai mam man mao map mar mat mba mbb mbc mbi mbm mbo mbp mbr mbt mc- mca mcb mcc mci mcm mcn mco mcp mcr mct mi- mia mib mic mii mim min mio mip mir mit mma mmb mmc mmi mmm mmn mmo mmp mmr mmt mna mnb mnc mni mnm mnn mno mnp mnr mnt moa mob moc moi mom mon moo mop mor mot mpa mpb mpc mpi mpm mpn mpo mpp mpr mpt mra mrb mrc mri mrm mrn mro mrp mrr mrt mta mtb mtc mti mtm mtn mto mtp mtr mtt n-i naa nab nac nai nam nan nao nap nar nat nba nbb nbc nbi nbm nbn nbo nbp nbr nbt nca ncb ncc nci ncm ncn nco ncp ncr nct nia nib nic nii nim nin nio nip nir nit nma nmb nmc nmi nmm nmn nmo nmp nmr nmt nna nnb nnc nni nnm nnn nno nnp nnt no- noa nob noc noi nom non noo nop nor not npa npb npc npi npm npn npo npp npr npt nra nrb nrc nri nrm nrn nro nrp nrr nrt nta ntb ntc nti ntm ntn nto ntp ntr ntt o-i oaa oab oac oai oam oan oao oap oar oat ob- oba obb obc obi obm obn obo obp obr obt oc- oca ocb occ oci ocm ocn oco ocp ocr oct oia oib oic oii oim oin oio oip oir oit om- oma omb omc omi omm omn omo omp omr omt on- ona onb onc oni onn ono onp onr ont oo- ooa oob ooc ooi oom oon ooo oop oor oot op- opa opb opc opi opm opn opo opp opr opt or- ora orb orc ori orm orn oro orp orr ort ot- ota otb otc oti otm otn oto otp otr ott p-p paa pab pac pai pam pan pao pap par pat pba pbb pbc pbi pbm pbn pbo pbp pbr pbt pca pcb pcc pci pcm pcn pco pcp pcr pct pia pib pic pii pim pin pio pip pir pit pma pmb pmc pmi pmm pmn pmo pmp pmr pmt pn- pna pnb pnc pni pnm pnn pno pnp pnr pnt poa pob poc poi pom pon poo pop por pot ppa ppb ppc ppi ppm ppn ppo ppp ppr ppt pra prb prc pri prm prn pro prp prr prt pt- pta ptb ptc pti ptm ptn pto ptp ptr ptt ra- raa rab rac rai ram ran rao rap rar rat rba rbb rbc rbi rbm rbn rbo rbp rbr rbt rca rcb rcc rci rcm rcn rco rcp rcr rct ria rib ric rii rim rin rio rip rir rit rma rmb rmc rmi rmm rmn rmo rmp rmr rmt rna rnb rnc rni rnm rnn rno rnp rnr rnt roa rob roc roi rom ron roo rop ror rot rpa rpb rpc rpi rpm rpn rpo rpp rpr rpt rra rrb rrc rri rrm rrn rrp rrr rrt rta rtb rtc rti rtm rtn rto rtp rtr rtt taa tab tac tai tam tan tao tap tar tat tba tbb tbc tbi tbm tbn tbo tbp tbr tbt tca tcb tcc tci tcm tcn tco tcp tcr tct tia tib tic tii tim tin tio tip tir tit tma tmb tmc tmi tmm tmn tmo tmp tmr tmt tna tnb tnc tni tnm tnn tno tnp tnr tnt to- toa tob toc toi