-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aai aal aan aao aap aar aat ab- aba abb abc abi abl abn abo abp abr abt ac- aca acb acc aci acl acn aco acp acr act ai- aia aib aic aii ail ain aio aip air ait al- ala alb alc ali all aln alo alp alr alt an- ana anb anc ani anl ann ano anp anr ant aoa aob aoc aoi aol aon aoo aop aor aot ap- apa apb apc api apl apn apo app apr apt ar- ara arb arc ari arl arn aro arp arr art at- ata atb atc ati atl atn ato atp atr att b-p baa bab bac bai bal ban bao bap bar bat bba bbb bbc bbi bbl bbn bbo bbp bbr bbt bca bcb bcc bci bcl bcn bco bcp bcr bct bi- bia bib bic bii bil bin bio bip bir bit bla blb blc bli bll bln blo blp blr blt bna bnb bnc bni bnl bnn bno bnp bnr bnt boa bob boc boi bol bon boo bop bor bot bpa bpb bpc bpi bpl bpn bpo bpp bpr bpt bra brb bri brl brn bro brp brr brt bta btb btc bti btl btn bto btp btr btt c-- caa cab cac cai cal can cao cap car cat cba cbb cbc cbi cbl cbn cbo cbp cbr cbt cca ccb ccc cci ccl ccn cco ccp ccr cct ci- cia cib cic cii cil cin cio cip cir cit cl- cla clb clc cli cll cln clo clp clr clt cn- cna cnb cnc cni cnl cnn cno cnp cnr cnt co- coa cob coc coi col con coo cop cor cot cpa cpb cpc cpi cpl cpn cpo cpp cpr cpt cra crb crc cri crl crn cro crp crr crt cta ctb ctc cti ctl ctn cto ctp ctr ctt ia- iaa iab iac iai ial ian iao iap iar iat iba ibb ibc ibi ibl ibn ibo ibp ibr ibt ica icb icc ici icl icn ico icp icr ict iia iib iic iii iil iin iio iip iir iit il- ila ilb ilc ili ill iln ilo ilp ilr ilt in- ina inb inc ini inl inn ino inp inr int io- ioa iob ioc ioi iol ion ioo iop ior iot ipa ipb ipc ipi ipl ipn ipo ipp ipr ipt ir- ira irb irc iri irl irn iro irp irr irt ita itb itc iti itl itn ito itp itt l-p la- laa lab lac lai lal lan lao lap lar lat lba lbb lbc lbi lbl lbo lbp lbr lbt lca lcb lcc lci lcl lcn lco lcp lcr lct lia lib lic lii lil lin lio lip lir lit lla llb llc lli lll lln llo llp llr llt lna lnb lnc lni lnl lnn lno lnp lnr lnt loa lob loc loi lol lon loo lop lor lot lpa lpb lpc lpi lpl lpn lpo lpp lpr lpt lra lrb lrc lri lrn lro lrp lrr lrt lta ltb ltc lti ltl lto ltp ltr ltt n-i naa nab nac nai nal nan nao nap nar nat nba nbb nbc nbi nbl nbn nbo nbp nbr nbt nca ncb ncc nci ncl ncn nco ncp ncr nct nia nib nic nii nil nin nio nip nir nit nla nlb nlc nli nll nln nlo nlp nlr nlt nna nnb nnc nni nnl nnn nno nnp nnt no- noa nob noc noi nol non noo nop nor not npa npb npc npi npl npn npo npp npr npt nra nrb nrc nri nrl nrn nro nrp nrr nrt nta ntb ntc nti ntn nto ntp ntr ntt o-i oaa oab oac oai oal oan oao oap oar oat ob- oba obb obc obi obl obn obo obp obr obt oc- oca ocb occ oci ocl ocn oco ocp ocr oct oia oib oic oii oil oin oio oip oir oit ola olb olc oli oll oln olo olp olt on- ona onb onc oni onl onn ono onp onr ont oo- ooa oob ooc ooi ool oon ooo oop oor oot op- opa opb opc opi opl opn opo opp opr opt or- ora orb orc ori orl orn oro orp orr ort ot- ota otb otc oti otl otn oto otp otr ott p-p paa pab pac pai pal pan pao pap par pat pba pbb pbc pbi pbl pbn pbo pbp pbr pbt pca pcb pcc pci pcl pcn pco pcp pcr pct pia pib pic pii pil pin pio pip pir pit pla plb plc pli pll pln plo plp plr plt pn- pna pnb pnc pni pnl pnn pno pnp pnr pnt poa pob poc poi pol pon poo pop por pot ppa ppb ppc ppi ppl ppn ppo ppp ppr ppt pra prb prc pri prl prn pro prp prr prt pt- pta ptb ptc pti ptl ptn pto ptp ptr ptt ra- raa rab rac rai ral ran rao rap rar rat rba rbb rbc rbi rbl rbn rbo rbp rbr rbt rca rcb rcc rci rcl rcn rco rcp rcr rct ria rib ric rii ril rin rio rip rir rit rla rlc rli rll rln rlo rlp rlr rlt rna rnb rnc rni rnn rno rnp rnr rnt roa rob roc roi rol ron roo rop ror rot rpa rpb rpc rpi rpl rpn rpo rpp rpr rpt rra rrb rrc rri rrl rrn rrp rrr rrt rta rtb rtc rti rtl rtn rto rtp rtr rtt taa tab tac tai tal tan tao tap tar tat tba tbb tbc tbi tbl tbn tbo tbp tbr tbt tca tcb tcc tci tcl tcn tco tcp tcr tct tia tib tic tii til tin tio tip tir tit tla tlc tli tll tln tlo tlp tlr tlt tna tnb tnc tni tnl tnn tno tnp tnr tnt to- toa tob toc toi tol ton too