-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aai aal aao aap aat ab- aba abb abc abi abl abo abp abt ac- aca acb acc aci acl aco acp act ai- aia aib aic aii ail aio aip ait al- ala alb alc ali all alo alp alt aoa aob aoc aoi aol aoo aop aot ap- apa apb apc api apl apo app apt at- ata atb atc ati atl ato atp att b-p baa bab bac bai bal bao bap bat bba bbb bbc bbi bbl bbo bbp bbt bca bcb bcc bci bcl bco bcp bct bi- bia bib bic bii bil bio bip bit bla blb blc bli bll blo blp blt boa bob boc boi bol boo bop bot bpa bpb bpc bpi bpl bpo bpp bpt bta btb btc bti btl bto btp btt c-- caa cab cac cai cal cao cap cat cba cbb cbc cbi cbl cbo cbp cbt cca ccb ccc cci ccl cco ccp cct ci- cia cib cic cii cil cio cip cit cl- cla clb clc cli cll clo clp clt co- coa cob coc coi col coo cop cot cpa cpb cpc cpi cpl cpo cpp cpt cta ctb ctc cti ctl cto ctp ctt ia- iaa iab iac iai ial iao iap iat iba ibb ibc ibi ibl ibo ibp ibt ica icb icc ici icl ico icp ict iia iib iic iii iil iio iip iit il- ila ilb ilc ili ill ilo ilp ilt io- ioa iob ioc ioi iol ioo iop iot ipa ipb ipc ipi ipl ipo ipp ipt ita itb itc iti itl ito itp itt l-p la- laa lab lac lai lal lao lap lat lba lbb lbc lbi lbl lbo lbp lbt lca lcb lcc lci lcl lco lcp lct lia lib lic lii lil lio lip lit lla llb llc lli lll llo llp llt loa lob loc loi lol loo lop lot lpa lpb lpc lpi lpl lpo lpp lpt lta ltb ltc lti ltl lto ltp ltt o-i oaa oab oac oai oal oao oap oat ob- oba obb obc obi obl obo obp obt oc- oca ocb occ oci ocl oco ocp oct oia oib oic oii oil oio oip oit ola olb olc oli oll olo olp olt oo- ooa oob ooc ooi ool ooo oop oot op- opa opb opc opi opl opo opp opt ot- ota otb otc oti otl oto otp ott p-p paa pab pac pai pal pao pap pat pba pbb pbc pbi pbl pbo pbp pbt pca pcb pcc pci pcl pco pcp pct pia pib pic pii pil pio pip pit pla plb plc pli pll plo plp plt poa pob poc poi pol poo pop pot ppa ppb ppc ppi ppl ppo ppp ppt pt- pta ptb ptc pti ptl pto ptp ptt taa tab tac tai tal tao tap tat tba tbb tbc tbi tbl tbo tbp tbt tca tcb tcc tci tcl tco tcp tct tia tib tic tii til tio tip tit tla tlc tli tll tlo tlp tlt to- toa tob toc toi tol too top tot tpa tpb tpc tpi tpl tpo tpp tpt tta ttb ttc tti ttl tto ttp ttt