-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aao aap aar aat ab- aba abb abc abh abi abo abp abr abt ac- aca acb acc ach aci aco acp acr act aha ahb ahc ahh ahi aho ahp ahr aht ai- aia aib aic aih aii aio aip air ait aoa aob aoc aoh aoi aoo aop aor aot ap- apa apb apc aph api apo app apr apt ar- ara arb arc arh ari aro arp arr art at- ata atb atc ath ati ato atp atr att b-p baa bab bac bah bai bao bap bar bat bba bbb bbc bbh bbi bbo bbp bbr bbt bca bcb bcc bch bci bco bcp bcr bct bha bhb bhc bhh bhi bho bhp bhr bht bi- bia bib bic bih bii bio bip bir bit boa bob boc boh boi boo bop bor bot bpa bpb bpc bph bpi bpo bpp bpr bpt bra brb brh bri bro brp brr brt bta btb btc bth bti bto btp btr btt c-- caa cab cac cah cai cao cap car cat cba cbb cbc cbh cbi cbo cbp cbr cbt cca ccb ccc cch cci cco ccp ccr cct ch- cha chb chc chh chi cho chp chr cht ci- cia cib cic cih cii cio cip cir cit co- coa cob coc coh coi coo cop cor cot cpa cpb cpc cph cpi cpo cpp cpr cpt cra crb crc crh cri cro crp crr crt cta ctb ctc cth cti cto ctp ctr ctt h-i haa hab hac hah hai hao hap har hat hba hbb hbc hbh hbi hbo hbp hbr hbt hca hcb hcc hch hci hco hcp hcr hct hha hhb hhc hhh hhi hho hhp hhr hht hia hib hic hih hii hio hip hir hit hoa hob hoc hoh hoi hoo hop hor hot hpa hpb hpc hph hpi hpo hpp hpr hpt hr- hra hrb hrc hrh hri hro hrp hrr hrt hta htb htc hth hti hto htp htr htt ia- iaa iab iac iah iai iao iap iar iat iba ibb ibc ibh ibi ibo ibp ibr ibt ica icb icc ich ici ico icp icr ict iha ihb ihc ihh ihi iho ihp ihr iht iia iib iic iih iii iio iip iir iit io- ioa iob ioc ioh ioi ioo iop ior iot ipa ipb ipc ipi ipo ipp ipr ipt ir- ira irb irc iri iro irp irr irt ita itb itc ith iti ito itp itt o-i oaa oab oac oah oai oao oap oar oat ob- oba obb obc obh obi obo obp obr obt oc- oca ocb occ och oci oco ocp ocr oct oha ohc ohh ohi oho ohp ohr oht oia oib oic oii oio oip oir oit oo- ooa oob ooc ooh ooi ooo oop oor oot op- opa opb opc oph opi opo opp opr opt or- ora orb orc orh ori oro orp orr ort ot- ota otb otc oth oti oto otp otr ott p-p paa pab pac pah pai pao pap par pat pba pbb pbc pbi pbo pbp pbr pbt pca pcb pcc pch pci pco pcp pcr pct pha phb phc phi pho php phr pht pia pib pic pih pii pio pip pir pit poa pob poc poh poi poo pop por pot ppa ppb ppc pph ppi ppo ppp ppr ppt pra prb prc prh pri pro prp prr prt pt- pta ptb ptc pth pti pto ptp ptr ptt ra- raa rab rac rah rai rao rap rar rat rba rbb rbc rbh rbi rbo rbp rbr rbt rca rcb rcc rch rci rco rcp rcr rct rh- rha rhb rhc rhh rhi rho rhp rhr rht ria rib ric rih rii rio rip rir rit roa rob roc roh roi roo rop ror rot rpa rpb rpc rph rpi rpo rpp rpr rpt rra rrb rrc rrh rri rrp rrr rrt rta rtb rtc rti rto rtp rtr rtt taa tab tac tah tai tao tap tar tat tba tbb tbc tbh tbi tbo tbp tbr tbt tca tcb tcc tch tci tco tcp tcr tct th- tha thb thc thh thi tho thp thr tht tia tib tic tih tii tio tip tir tit to- toa tob toc toh toi too top tor tot tpa tpb tpc tph tpi tpo tpp tpr tpt tra trb trc trh tri tro trp trr trt tta ttb ttc tth tti tto ttp ttr ttt